25804580460 has 24 divisors (see below), whose sum is σ = 72252825456. Its totient is φ = 6881221440.

The previous prime is 25804580453. The next prime is 25804580467. The reversal of 25804580460 is 6408540852.

It is an interprime number because it is at equal distance from previous prime (25804580453) and next prime (25804580467).

It is a super-2 number, since 2×25804580460² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25804580467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215038111 + ... + 215038230.

It is an arithmetic number, because the mean of its divisors is an integer number (3010534394).

Almost surely, 2^25804580460 is an apocalyptic number.

25804580460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25804580460 is an abundant number, since it is smaller than the sum of its proper divisors (46448244996).

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

25804580460 is a wasteful number, since it uses less digits than its factorization.

25804580460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430076353 (or 430076351 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 25804580460 in words is "twenty-five billion, eight hundred four million, five hundred eighty thousand, four hundred sixty".