25877150840 has 32 divisors (see below), whose sum is σ = 58229130960. Its totient is φ = 10349875200.

The previous prime is 25877150821. The next prime is 25877150857. The reversal of 25877150840 is 4805177852.

It is a super-2 number, since 2×25877150840² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513575 + ... + 561705.

Almost surely, 2^25877150840 is an apocalyptic number.

25877150840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25877150840 is an abundant number, since it is smaller than the sum of its proper divisors (32351980120).

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

25877150840 is a wasteful number, since it uses less digits than its factorization.

25877150840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61583 (or 61579 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 47.

The spelling of 25877150840 in words is "twenty-five billion, eight hundred seventy-seven million, one hundred fifty thousand, eight hundred forty".