25483907664 has 120 divisors (see below), whose sum is σ = 78311862720. Its totient is φ = 7994930688.

The previous prime is 25483907639. The next prime is 25483907671. The reversal of 25483907664 is 46670938452.

25483907664 is a `hidden beast` number, since 2 + 5 + 483 + 90 + 76 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 25483907664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126684 + ... + 258875.

It is an arithmetic number, because the mean of its divisors is an integer number (652598856).

Almost surely, 2^25483907664 is an apocalyptic number.

25483907664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25483907664 is an abundant number, since it is smaller than the sum of its proper divisors (52827955056).

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

25483907664 is a wasteful number, since it uses less digits than its factorization.

25483907664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385599 (or 385581 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 25483907664 in words is "twenty-five billion, four hundred eighty-three million, nine hundred seven thousand, six hundred sixty-four".