10645729874240 has 56 divisors (see below), whose sum is σ = 25350540246240. Its totient is φ = 4258225433088.

The previous prime is 10645729874209. The next prime is 10645729874257. The reversal of 10645729874240 is 4247892754601.

It is a super-2 number, since 2×10645729874240² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10645729874240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23706839 + ... + 24151721.

Almost surely, 2^{10645729874240} is an apocalyptic number.

10645729874240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10645729874240 is an abundant number, since it is smaller than the sum of its proper divisors (14704810372000).

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

10645729874240 is an equidigital number, since it uses as much as digits as its factorization.

10645729874240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519679 (or 519669 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 10645729874240 in words is "ten trillion, six hundred forty-five billion, seven hundred twenty-nine million, eight hundred seventy-four thousand, two hundred forty".