25364840 has 32 divisors (see below), whose sum is σ = 58402080. Its totient is φ = 9909312.

The previous prime is 25364809. The next prime is 25364863. The reversal of 25364840 is 4846352.

It is a junction number, because it is equal to n+sod(n) for n = 25364797 and 25364806.

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, 5654 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (1825065).

Almost surely, 2^25364840 is an apocalyptic number.

25364840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25364840 is an abundant number, since it is smaller than the sum of its proper divisors (33037240).

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

25364840 is a wasteful number, since it uses less digits than its factorization.

25364840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801 (or 14797 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 25364840 is about 5036.3518542691. The cubic root of 25364840 is about 293.8173082521.

The spelling of 25364840 in words is "twenty-five million, three hundred sixty-four thousand, eight hundred forty".