25764713540840 has 64 divisors (see below), whose sum is σ = 61904094912000. Its totient is φ = 9629525848320.

The previous prime is 25764713540821. The next prime is 25764713540851. The reversal of 25764713540840 is 4804531746752.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358205330 + ... + 358277249.

It is an arithmetic number, because the mean of its divisors is an integer number (967251483000).

Almost surely, 2^{25764713540840} is an apocalyptic number.

25764713540840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25764713540840 is an abundant number, since it is smaller than the sum of its proper divisors (36139381371160).

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

25764713540840 is a wasteful number, since it uses less digits than its factorization.

25764713540840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716482650 (or 716482646 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 25764713540840 in words is "twenty-five trillion, seven hundred sixty-four billion, seven hundred thirteen million, five hundred forty thousand, eight hundred forty".