25356936090 has 32 divisors (see below), whose sum is σ = 60868164096. Its totient is φ = 6760569920.

The previous prime is 25356936029. The next prime is 25356936131. The reversal of 25356936090 is 9063965352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86884 + ... + 241376.

It is an arithmetic number, because the mean of its divisors is an integer number (1902130128).

Almost surely, 2^25356936090 is an apocalyptic number.

25356936090 is an abundant number, since it is smaller than the sum of its proper divisors (35511228006).

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

25356936090 is a wasteful number, since it uses less digits than its factorization.

25356936090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159974.

The product of its (nonzero) digits is 1312200, while the sum is 48.

The spelling of 25356936090 in words is "twenty-five billion, three hundred fifty-six million, nine hundred thirty-six thousand, ninety".