25747038090 has 48 divisors (see below), whose sum is σ = 66977382888. Its totient is φ = 6862278528.

The previous prime is 25747038077. The next prime is 25747038137. The reversal of 25747038090 is 9083074752.

25747038090 is a `hidden beast` number, since 2 + 574 + 70 + 3 + 8 + 0 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25165697769 + 581340321 = 158637^2 + 24111^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99972 + ... + 247968.

Almost surely, 2^25747038090 is an apocalyptic number.

25747038090 is an abundant number, since it is smaller than the sum of its proper divisors (41230344798).

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

25747038090 is a wasteful number, since it uses less digits than its factorization.

25747038090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149943 (or 149940 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 25747038090 in words is "twenty-five billion, seven hundred forty-seven million, thirty-eight thousand, ninety".