25423530354 has 24 divisors (see below), whose sum is σ = 56573082540. Its totient is φ = 8245469088.

The previous prime is 25423530331. The next prime is 25423530361. The reversal of 25423530354 is 45303532452.

25423530354 is a `hidden beast` number, since 2 + 54 + 23 + 530 + 3 + 54 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18858155625 + 6565374729 = 137325^2 + 81027^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19086069 + ... + 19087400.

Almost surely, 2^25423530354 is an apocalyptic number.

25423530354 is an abundant number, since it is smaller than the sum of its proper divisors (31149552186).

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

25423530354 is a wasteful number, since it uses less digits than its factorization.

25423530354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38173514 (or 38173511 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 25423530354 in words is "twenty-five billion, four hundred twenty-three million, five hundred thirty thousand, three hundred fifty-four".