25341326540 has 24 divisors (see below), whose sum is σ = 53238904992. Its totient is φ = 10132317440.

The previous prime is 25341326537. The next prime is 25341326579. The reversal of 25341326540 is 4562314352.

It is a self number, because there is not a number n which added to its sum of digits gives 25341326540.

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, 213776 + ... + 310455.

It is an arithmetic number, because the mean of its divisors is an integer number (2218287708).

Almost surely, 2^25341326540 is an apocalyptic number.

25341326540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25341326540 is an abundant number, since it is smaller than the sum of its proper divisors (27897578452).

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

25341326540 is a wasteful number, since it uses less digits than its factorization.

25341326540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526657 (or 526655 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 25341326540 in words is "twenty-five billion, three hundred forty-one million, three hundred twenty-six thousand, five hundred forty".