26790178844 has 24 divisors (see below), whose sum is σ = 55079110128. Its totient is φ = 11240634240.

The previous prime is 26790178747. The next prime is 26790178861. The reversal of 26790178844 is 44887109762.

It is a self number, because there is not a number n which added to its sum of digits gives 26790178844.

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, 23417417 + ... + 23418560.

It is an arithmetic number, because the mean of its divisors is an integer number (2294962922).

Almost surely, 2^26790178844 is an apocalyptic number.

It is an amenable number.

26790178844 is an abundant number, since it is smaller than the sum of its proper divisors (28288931284).

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

26790178844 is a wasteful number, since it uses less digits than its factorization.

26790178844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836005 (or 46836003 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 26790178844 in words is "twenty-six billion, seven hundred ninety million, one hundred seventy-eight thousand, eight hundred forty-four".