25567022468 has 48 divisors (see below), whose sum is σ = 49295869056. Its totient is φ = 11530821120.

The previous prime is 25567022423. The next prime is 25567022471. The reversal of 25567022468 is 86422076552.

It is a happy number.

It is a super-2 number, since 2×25567022468² (a number of 22 digits) contains 22 as substring.

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, 386555 + ... + 447837.

It is an arithmetic number, because the mean of its divisors is an integer number (1026997272).

Almost surely, 2^25567022468 is an apocalyptic number.

It is an amenable number.

25567022468 is a deficient number, since it is larger than the sum of its proper divisors (23728846588).

25567022468 is a wasteful number, since it uses less digits than its factorization.

25567022468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61484 (or 61482 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 25567022468 in words is "twenty-five billion, five hundred sixty-seven million, twenty-two thousand, four hundred sixty-eight".