26844399568 has 40 divisors (see below), whose sum is σ = 59451805952. Its totient is φ = 11502684288.

The previous prime is 26844399553. The next prime is 26844399613. The reversal of 26844399568 is 86599344862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721846 + ... + 758122.

Almost surely, 2^26844399568 is an apocalyptic number.

26844399568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26844399568 is an abundant number, since it is smaller than the sum of its proper divisors (32607406384).

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

26844399568 is a wasteful number, since it uses less digits than its factorization.

26844399568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42899 (or 42893 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 64.

The spelling of 26844399568 in words is "twenty-six billion, eight hundred forty-four million, three hundred ninety-nine thousand, five hundred sixty-eight".