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400421401103224 = 23414725974403289
BaseRepresentation
bin101101100001011100101111…
…1010111111000101101111000
31221111202220121220210011200101
41123002321133113320231320
5404441001012140300344
63535343015135045144
7150225330413126314
oct13302713727705570
91844686556704611
10400421401103224
1110664a842a5a666
1238ab04250707b4
131425776490a687
1470c46dbc10b44
153145d2d7a49d4
hex16c2e5f5f8b78

400421401103224 has 32 divisors (see below), whose sum is σ = 785465955489600. Its totient is φ = 191171608199680.

The previous prime is 400421401103221. The next prime is 400421401103267. The reversal of 400421401103224 is 422301104124004.

It is a super-2 number, since 2×4004214011032242 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400421401103192 and 400421401103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400421401103221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12987186229 + ... + 12987217060.

It is an arithmetic number, because the mean of its divisors is an integer number (24545811109050).

Almost surely, 2400421401103224 is an apocalyptic number.

It is an amenable number.

400421401103224 is a deficient number, since it is larger than the sum of its proper divisors (385044554386376).

400421401103224 is a wasteful number, since it uses less digits than its factorization.

400421401103224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25974403383 (or 25974403379 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 400421401103224 its reverse (422301104124004), we get a palindrome (822722505227228).

The spelling of 400421401103224 in words is "four hundred trillion, four hundred twenty-one billion, four hundred one million, one hundred three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 41 47 82 94 164 188 328 376 1927 3854 7708 15416 25974403289 51948806578 103897613156 207795226312 1064950534849 1220796954583 2129901069698 2441593909166 4259802139396 4883187818332 8519604278792 9766375636664 50052675137903 100105350275806 200210700551612 400421401103224