26890998744 has 32 divisors (see below), whose sum is σ = 67242193920. Its totient is φ = 8961706656.

The previous prime is 26890998689. The next prime is 26890998767. The reversal of 26890998744 is 44789909862.

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, 8232 + ... + 232055.

It is an arithmetic number, because the mean of its divisors is an integer number (2101318560).

Almost surely, 2^26890998744 is an apocalyptic number.

26890998744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26890998744 is an abundant number, since it is smaller than the sum of its proper divisors (40351195176).

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

26890998744 is a wasteful number, since it uses less digits than its factorization.

26890998744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244959 (or 244955 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

It can be divided in two parts, 268909 and 98744, that added together give a triangular number (367653 = T₈₅₇).

The spelling of 26890998744 in words is "twenty-six billion, eight hundred ninety million, nine hundred ninety-eight thousand, seven hundred forty-four".