25726531704 has 16 divisors (see below), whose sum is σ = 64316329320. Its totient is φ = 8575510560.

The previous prime is 25726531693. The next prime is 25726531709. The reversal of 25726531704 is 40713562752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25726531709) 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, 535969387 + ... + 535969434.

Almost surely, 2^25726531704 is an apocalyptic number.

25726531704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25726531704 is an abundant number, since it is smaller than the sum of its proper divisors (38589797616).

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

25726531704 is a wasteful number, since it uses less digits than its factorization.

25726531704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071938830 (or 1071938826 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 25726531704 in words is "twenty-five billion, seven hundred twenty-six million, five hundred thirty-one thousand, seven hundred four".