26774760720 has 80 divisors (see below), whose sum is σ = 84767788800. Its totient is φ = 6988019712.

The previous prime is 26774760707. The next prime is 26774760737. The reversal of 26774760720 is 2706747762.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×26774760720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26774760720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175545 + ... + 1198104.

It is an arithmetic number, because the mean of its divisors is an integer number (1059597360).

Almost surely, 2^26774760720 is an apocalyptic number.

26774760720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26774760720 is an abundant number, since it is smaller than the sum of its proper divisors (57993028080).

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

26774760720 is a wasteful number, since it uses less digits than its factorization.

26774760720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373712 (or 2373706 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 48.

The spelling of 26774760720 in words is "twenty-six billion, seven hundred seventy-four million, seven hundred sixty thousand, seven hundred twenty".