25588412920 has 64 divisors (see below), whose sum is σ = 69669305280. Its totient is φ = 8257099776.

The previous prime is 25588412911. The next prime is 25588412929. The reversal of 25588412920 is 2921488552.

It is an interprime number because it is at equal distance from previous prime (25588412911) and next prime (25588412929).

It is a super-3 number, since 3×25588412920³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25588412929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683099 + ... + 2692618.

It is an arithmetic number, because the mean of its divisors is an integer number (1088582895).

Almost surely, 2^25588412920 is an apocalyptic number.

25588412920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25588412920 is an abundant number, since it is smaller than the sum of its proper divisors (44080892360).

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

25588412920 is a wasteful number, since it uses less digits than its factorization.

25588412920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375752 (or 5375748 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 25588412920 in words is "twenty-five billion, five hundred eighty-eight million, four hundred twelve thousand, nine hundred twenty".