25461812936 has 32 divisors (see below), whose sum is σ = 54641701440. Its totient is φ = 10896070848.

The previous prime is 25461812867. The next prime is 25461812941. The reversal of 25461812936 is 63921816452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297890 + ... + 373713.

It is an arithmetic number, because the mean of its divisors is an integer number (1707553170).

Almost surely, 2^25461812936 is an apocalyptic number.

It is an amenable number.

25461812936 is an abundant number, since it is smaller than the sum of its proper divisors (29179888504).

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

25461812936 is a wasteful number, since it uses less digits than its factorization.

25461812936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672293 (or 672289 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 25461812936 in words is "twenty-five billion, four hundred sixty-one million, eight hundred twelve thousand, nine hundred thirty-six".