26233722816 has 56 divisors (see below), whose sum is σ = 79325784960. Its totient is φ = 7495348992.

The previous prime is 26233722791. The next prime is 26233722821. The reversal of 26233722816 is 61822733262.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 9758226 + ... + 9760913.

Almost surely, 2^26233722816 is an apocalyptic number.

It is an amenable number.

26233722816 is an abundant number, since it is smaller than the sum of its proper divisors (53092062144).

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

26233722816 is a wasteful number, since it uses less digits than its factorization.

26233722816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519161 (or 19519151 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 26233722816 in words is "twenty-six billion, two hundred thirty-three million, seven hundred twenty-two thousand, eight hundred sixteen".