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240401223020 = 225712611136163
BaseRepresentation
bin1101111111100100000…
…1111000110101101100
3211222111222022110111202
43133321001320311230
512414320203114040
6302234440305032
723240236452140
oct3377101706554
9758458273452
10240401223020
1192a54250012
123a711a72178
13198925508ba
14b8c7a91220
1563c02b2015
hex37f9078d6c

240401223020 has 48 divisors (see below), whose sum is σ = 577012923648. Its totient is φ = 82416135360.

The previous prime is 240401222981. The next prime is 240401223037. The reversal of 240401223020 is 20322104042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 240401222983 and 240401223001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697459 + ... + 1833621.

It is an arithmetic number, because the mean of its divisors is an integer number (12021102576).

Almost surely, 2240401223020 is an apocalyptic number.

240401223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240401223020 is an abundant number, since it is smaller than the sum of its proper divisors (336611700628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240401223020 is a wasteful number, since it uses less digits than its factorization.

240401223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148790 (or 148788 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 240401223020 its reverse (20322104042), we get a palindrome (260723327062).

The spelling of 240401223020 in words is "two hundred forty billion, four hundred one million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 12611 25222 50444 63055 88277 126110 136163 176554 252220 272326 353108 441385 544652 680815 882770 953141 1361630 1765540 1906282 2723260 3812564 4765705 9531410 19062820 1717151593 3434303186 6868606372 8585757965 12020061151 17171515930 24040122302 34343031860 48080244604 60100305755 120200611510 240401223020