25942464 has 56 divisors (see below), whose sum is σ = 76271120. Its totient is φ = 8646912.

The previous prime is 25942409. The next prime is 25942487. The reversal of 25942464 is 46424952.

25942464 is a `hidden beast` number, since 2 + 594 + 2 + 4 + 64 = 666.

It is a super-2 number, since 2×25942464² = 1346022876782592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

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, 5779 + ... + 9234.

Almost surely, 2^25942464 is an apocalyptic number.

25942464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25942464 is an abundant number, since it is smaller than the sum of its proper divisors (50328656).

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

25942464 is a wasteful number, since it uses less digits than its factorization.

25942464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034 (or 15018 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 25942464 is about 5093.3745199033. The cubic root of 25942464 is about 296.0309195848.

The spelling of 25942464 in words is "twenty-five million, nine hundred forty-two thousand, four hundred sixty-four".