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40010020024431 = 3186746919152249
BaseRepresentation
bin10010001100011100011110…
…00001111111000001101111
312020122220212002100222210110
421012032033001333001233
520221011010111240211
6221032203252111103
711266425410615652
oct1106161701770157
9166586762328713
1040010020024431
11118261772767a6
1245a2262905493
131942c0c4764c2
149c46d1171899
15495b44732ea6
hex24638f07f06f

40010020024431 has 16 divisors (see below), whose sum is σ = 53376755040000. Its totient is φ = 26658316650048.

The previous prime is 40010020024357. The next prime is 40010020024453. The reversal of 40010020024431 is 13442002001004.

It is not a de Polignac number, because 40010020024431 - 211 = 40010020022383 is a prime.

It is a super-2 number, since 2×400100200244312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40010020024398 and 40010020024407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010020024231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262717195 + ... + 262869443.

It is an arithmetic number, because the mean of its divisors is an integer number (3336047190000).

Almost surely, 240010020024431 is an apocalyptic number.

40010020024431 is a deficient number, since it is larger than the sum of its proper divisors (13366735015569).

40010020024431 is a wasteful number, since it uses less digits than its factorization.

40010020024431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201038.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40010020024431 its reverse (13442002001004), we get a palindrome (53452022025435).

The spelling of 40010020024431 in words is "forty trillion, ten billion, twenty million, twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 1867 5601 46919 140757 152249 456747 87597773 262793319 284248883 852746649 7143370831 21430112493 13336673341477 40010020024431