25758760280 has 64 divisors (see below), whose sum is σ = 63247564800. Its totient is φ = 9363634560.

The previous prime is 25758760267. The next prime is 25758760319. The reversal of 25758760280 is 8206785752.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 1568351 + ... + 1584689.

It is an arithmetic number, because the mean of its divisors is an integer number (988243200).

Almost surely, 2^25758760280 is an apocalyptic number.

25758760280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25758760280 is an abundant number, since it is smaller than the sum of its proper divisors (37488804520).

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

25758760280 is a wasteful number, since it uses less digits than its factorization.

25758760280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944 (or 19940 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 25758760280 in words is "twenty-five billion, seven hundred fifty-eight million, seven hundred sixty thousand, two hundred eighty".