25064394108 has 96 divisors (see below), whose sum is σ = 68986935360. Its totient is φ = 7008153600.

The previous prime is 25064394097. The next prime is 25064394161. The reversal of 25064394108 is 80149346052.

It is a super-2 number, since 2×25064394108² (a number of 22 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 25064394108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86043 + ... + 239858.

It is an arithmetic number, because the mean of its divisors is an integer number (718613910).

Almost surely, 2^25064394108 is an apocalyptic number.

It is an amenable number.

25064394108 is an abundant number, since it is smaller than the sum of its proper divisors (43922541252).

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

25064394108 is a wasteful number, since it uses less digits than its factorization.

25064394108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325967 (or 325965 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 25064394108 in words is "twenty-five billion, sixty-four million, three hundred ninety-four thousand, one hundred eight".