25625895090 has 32 divisors (see below), whose sum is σ = 61824162816. Its totient is φ = 6797792640.

The previous prime is 25625895067. The next prime is 25625895091. The reversal of 25625895090 is 9059852652.

It is a super-2 number, since 2×25625895090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25625895091) 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, 2230387 + ... + 2241846.

It is an arithmetic number, because the mean of its divisors is an integer number (1932005088).

Almost surely, 2^25625895090 is an apocalyptic number.

25625895090 is an abundant number, since it is smaller than the sum of its proper divisors (36198267726).

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

25625895090 is a wasteful number, since it uses less digits than its factorization.

25625895090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472434.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 25625895090 in words is "twenty-five billion, six hundred twenty-five million, eight hundred ninety-five thousand, ninety".