26622782904 has 32 divisors (see below), whose sum is σ = 67648058640. Its totient is φ = 8728780800.

The previous prime is 26622782903. The next prime is 26622782909. The reversal of 26622782904 is 40928722662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26622782903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9091017 + ... + 9093944.

Almost surely, 2^26622782904 is an apocalyptic number.

26622782904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26622782904 is an abundant number, since it is smaller than the sum of its proper divisors (41025275736).

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

26622782904 is a wasteful number, since it uses less digits than its factorization.

26622782904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185031 (or 18185027 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 26622782904 in words is "twenty-six billion, six hundred twenty-two million, seven hundred eighty-two thousand, nine hundred four".