25320759680320 has 112 divisors (see below), whose sum is σ = 65407106450448. Its totient is φ = 9280961003520.

The previous prime is 25320759680309. The next prime is 25320759680383. The reversal of 25320759680320 is 2308695702352.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6380716416064 + 18940043264256 = 2526008^2 + 4352016^2 .

It is a super-2 number, since 2×25320759680320² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 21644391 + ... + 22784230.

It is an arithmetic number, because the mean of its divisors is an integer number (583992021879).

Almost surely, 2^{25320759680320} is an apocalyptic number.

25320759680320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25320759680320 is an abundant number, since it is smaller than the sum of its proper divisors (40086346770128).

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

25320759680320 is a wasteful number, since it uses less digits than its factorization.

25320759680320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428788 (or 44428778 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 25320759680320 in words is "twenty-five trillion, three hundred twenty billion, seven hundred fifty-nine million, six hundred eighty thousand, three hundred twenty".