25348052432 has 20 divisors (see below), whose sum is σ = 49121637636. Its totient is φ = 12671500800.

The previous prime is 25348052407. The next prime is 25348052459. The reversal of 25348052432 is 23425084352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7530074176 + 17817978256 = 86776^2 + 133484^2 .

It is a super-2 number, since 2×25348052432² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 73673 + ... + 236904.

Almost surely, 2^25348052432 is an apocalyptic number.

It is an amenable number.

25348052432 is a deficient number, since it is larger than the sum of its proper divisors (23773585204).

25348052432 is a wasteful number, since it uses less digits than its factorization.

25348052432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315686 (or 315680 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 25348052432 in words is "twenty-five billion, three hundred forty-eight million, fifty-two thousand, four hundred thirty-two".