26440338554 has 24 divisors (see below), whose sum is σ = 48563890560. Its totient is φ = 10735174296.

The previous prime is 26440338541. The next prime is 26440338563. The reversal of 26440338554 is 45583304462.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7098122 + ... + 7101845.

It is an arithmetic number, because the mean of its divisors is an integer number (2023495440).

Almost surely, 2^26440338554 is an apocalyptic number.

26440338554 is a deficient number, since it is larger than the sum of its proper divisors (22123552006).

26440338554 is a wasteful number, since it uses less digits than its factorization.

26440338554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200002 (or 14199995 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 26440338554 in words is "twenty-six billion, four hundred forty million, three hundred thirty-eight thousand, five hundred fifty-four".