25373540538668 has 36 divisors (see below), whose sum is σ = 51684833229120. Its totient is φ = 10867731511392.

The previous prime is 25373540538653. The next prime is 25373540538677. The reversal of 25373540538668 is 86683504537352.

It is a super-3 number, since 3×25373540538668³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39220028 + ... + 39861731.

It is an arithmetic number, because the mean of its divisors is an integer number (1435689811920).

Almost surely, 2^{25373540538668} is an apocalyptic number.

25373540538668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25373540538668 is an abundant number, since it is smaller than the sum of its proper divisors (26311292690452).

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

25373540538668 is a wasteful number, since it uses less digits than its factorization.

25373540538668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79083414 (or 79083405 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 65.

The spelling of 25373540538668 in words is "twenty-five trillion, three hundred seventy-three billion, five hundred forty million, five hundred thirty-eight thousand, six hundred sixty-eight".