25028400760 has 64 divisors (see below), whose sum is σ = 61509974400. Its totient is φ = 9089884800.

The previous prime is 25028400737. The next prime is 25028400779. The reversal of 25028400760 is 6700482052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321771 + ... + 391909.

It is an arithmetic number, because the mean of its divisors is an integer number (961093350).

Almost surely, 2^25028400760 is an apocalyptic number.

25028400760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25028400760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30754987200).

25028400760 is an abundant number, since it is smaller than the sum of its proper divisors (36481573640).

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

25028400760 is a wasteful number, since it uses less digits than its factorization.

25028400760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70972 (or 70968 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 25028400760 in words is "twenty-five billion, twenty-eight million, four hundred thousand, seven hundred sixty".