25719470793456 has 160 divisors (see below), whose sum is σ = 75660960245760. Its totient is φ = 7457620684800.

The previous prime is 25719470793349. The next prime is 25719470793463. The reversal of 25719470793456 is 65439707491752.

It is a super-2 number, since 2×25719470793456² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7370925 + ... + 10284428.

It is an arithmetic number, because the mean of its divisors is an integer number (472881001536).

Almost surely, 2^{25719470793456} is an apocalyptic number.

It is an amenable number.

25719470793456 is an abundant number, since it is smaller than the sum of its proper divisors (49941489452304).

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

25719470793456 is a wasteful number, since it uses less digits than its factorization.

25719470793456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17655495 (or 17655489 counting only the distinct ones).

The product of its (nonzero) digits is 400075200, while the sum is 69.

The spelling of 25719470793456 in words is "twenty-five trillion, seven hundred nineteen billion, four hundred seventy million, seven hundred ninety-three thousand, four hundred fifty-six".