25488937756 has 6 divisors (see below), whose sum is σ = 44605641080. Its totient is φ = 12744468876.

The previous prime is 25488937739. The next prime is 25488937757. The reversal of 25488937756 is 65773988452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25488937757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186117216 + ... + 3186117223.

Almost surely, 2^25488937756 is an apocalyptic number.

It is an amenable number.

25488937756 is a deficient number, since it is larger than the sum of its proper divisors (19116703324).

25488937756 is a wasteful number, since it uses less digits than its factorization.

25488937756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372234443 (or 6372234441 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 25488937756 in words is "twenty-five billion, four hundred eighty-eight million, nine hundred thirty-seven thousand, seven hundred fifty-six".