25622415090 has 24 divisors (see below), whose sum is σ = 66618279468. Its totient is φ = 6832644000.

The previous prime is 25622415043. The next prime is 25622415109. The reversal of 25622415090 is 9051422652.

25622415090 is a `hidden beast` number, since 2 + 562 + 2 + 4 + 1 + 5 + 0 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25220933721 + 401481369 = 158811^2 + 20037^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142346661 + ... + 142346840.

Almost surely, 2^25622415090 is an apocalyptic number.

25622415090 is an abundant number, since it is smaller than the sum of its proper divisors (40995864378).

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

25622415090 is a wasteful number, since it uses less digits than its factorization.

25622415090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284693514 (or 284693511 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 25622415090 in words is "twenty-five billion, six hundred twenty-two million, four hundred fifteen thousand, ninety".