25902250338 has 32 divisors (see below), whose sum is σ = 52097270400. Its totient is φ = 8585343360.

The previous prime is 25902250337. The next prime is 25902250399. The reversal of 25902250338 is 83305220952.

25902250338 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×25902250338² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25902250296 and 25902250305.

It is not an unprimeable number, because it can be changed into a prime (25902250337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216206 + ... + 2227862.

It is an arithmetic number, because the mean of its divisors is an integer number (1628039700).

Almost surely, 2^25902250338 is an apocalyptic number.

25902250338 is an abundant number, since it is smaller than the sum of its proper divisors (26195020062).

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

25902250338 is a wasteful number, since it uses less digits than its factorization.

25902250338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 25902250338 in words is "twenty-five billion, nine hundred two million, two hundred fifty thousand, three hundred thirty-eight".