25042746552 has 16 divisors (see below), whose sum is σ = 62606866440. Its totient is φ = 8347582176.

The previous prime is 25042746499. The next prime is 25042746557. The reversal of 25042746552 is 25564724052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042746557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521723863 + ... + 521723910.

Almost surely, 2^25042746552 is an apocalyptic number.

It is an amenable number.

25042746552 is an abundant number, since it is smaller than the sum of its proper divisors (37564119888).

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

25042746552 is a wasteful number, since it uses less digits than its factorization.

25042746552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043447782 (or 1043447778 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 25042746552 in words is "twenty-five billion, forty-two million, seven hundred forty-six thousand, five hundred fifty-two".