25423355052 has 18 divisors (see below), whose sum is σ = 64264592028. Its totient is φ = 8474451672.

The previous prime is 25423355039. The next prime is 25423355077. The reversal of 25423355052 is 25055332452.

25423355052 is a `hidden beast` number, since 2 + 54 + 2 + 3 + 3 + 550 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 706204307 = 25423355052 / (2 + 5 + 4 + 2 + 3 + 3 + 5 + 5 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 25423354998 and 25423355016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353102118 + ... + 353102189.

Almost surely, 2^25423355052 is an apocalyptic number.

It is an amenable number.

25423355052 is an abundant number, since it is smaller than the sum of its proper divisors (38841236976).

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

25423355052 is a wasteful number, since it uses less digits than its factorization.

25423355052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706204317 (or 706204312 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 25423355052 in words is "twenty-five billion, four hundred twenty-three million, three hundred fifty-five thousand, fifty-two".