25017505340 has 24 divisors (see below), whose sum is σ = 52808980560. Its totient is φ = 9955150848.

The previous prime is 25017505339. The next prime is 25017505349. The reversal of 25017505340 is 4350571052.

It is a junction number, because it is equal to n+sod(n) for n = 25017505297 and 25017505306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25017505349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236750 + ... + 3244469.

It is an arithmetic number, because the mean of its divisors is an integer number (2200374190).

Almost surely, 2^25017505340 is an apocalyptic number.

25017505340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25017505340 is an abundant number, since it is smaller than the sum of its proper divisors (27791475220).

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

25017505340 is a wasteful number, since it uses less digits than its factorization.

25017505340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481421 (or 6481419 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 25017505340 in words is "twenty-five billion, seventeen million, five hundred five thousand, three hundred forty".