25795307390 has 64 divisors (see below), whose sum is σ = 49327584768. Its totient is φ = 9695116800.

The previous prime is 25795307371. The next prime is 25795307401. The reversal of 25795307390 is 9370359752.

It is a super-2 number, since 2×25795307390² (a number of 22 digits) contains 22 as substring.

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, 6203192 + ... + 6207348.

It is an arithmetic number, because the mean of its divisors is an integer number (770743512).

Almost surely, 2^25795307390 is an apocalyptic number.

25795307390 is a deficient number, since it is larger than the sum of its proper divisors (23532277378).

25795307390 is a wasteful number, since it uses less digits than its factorization.

25795307390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773.

The product of its (nonzero) digits is 1786050, while the sum is 50.

The spelling of 25795307390 in words is "twenty-five billion, seven hundred ninety-five million, three hundred seven thousand, three hundred ninety".