26240760816 has 20 divisors (see below), whose sum is σ = 67788632232. Its totient is φ = 8746920256.

The previous prime is 26240760769. The next prime is 26240760829. The reversal of 26240760816 is 61806704262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273341211 + ... + 273341306.

Almost surely, 2^26240760816 is an apocalyptic number.

It is an amenable number.

26240760816 is an abundant number, since it is smaller than the sum of its proper divisors (41547871416).

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

26240760816 is a wasteful number, since it uses less digits than its factorization.

26240760816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546682528 (or 546682522 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 26240760816 in words is "twenty-six billion, two hundred forty million, seven hundred sixty thousand, eight hundred sixteen".