25270265904 has 160 divisors (see below), whose sum is σ = 71992725504. Its totient is φ = 7589514240.

The previous prime is 25270265837. The next prime is 25270265947. The reversal of 25270265904 is 40956207252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13577934 + ... + 13579794.

Almost surely, 2^25270265904 is an apocalyptic number.

25270265904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25270265904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35996362752).

25270265904 is an abundant number, since it is smaller than the sum of its proper divisors (46722459600).

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

25270265904 is a wasteful number, since it uses less digits than its factorization.

25270265904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 25270265904 in words is "twenty-five billion, two hundred seventy million, two hundred sixty-five thousand, nine hundred four".