25741224564 has 48 divisors (see below), whose sum is σ = 67294024896. Its totient is φ = 7589548800.

The previous prime is 25741224541. The next prime is 25741224779. The reversal of 25741224564 is 46542214752.

It is a super-2 number, since 2×25741224564² (a number of 22 digits) contains 22 as substring.

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, 2630377 + ... + 2640144.

It is an arithmetic number, because the mean of its divisors is an integer number (1401958852).

Almost surely, 2^25741224564 is an apocalyptic number.

It is an amenable number.

25741224564 is an abundant number, since it is smaller than the sum of its proper divisors (41552800332).

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

25741224564 is a wasteful number, since it uses less digits than its factorization.

25741224564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270576 (or 5270574 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The spelling of 25741224564 in words is "twenty-five billion, seven hundred forty-one million, two hundred twenty-four thousand, five hundred sixty-four".