26539907474 has 16 divisors (see below), whose sum is σ = 40585267968. Its totient is φ = 13013261712.

The previous prime is 26539907413. The next prime is 26539907507. The reversal of 26539907474 is 47470993562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414197 + ... + 473960.

It is an arithmetic number, because the mean of its divisors is an integer number (2536579248).

Almost surely, 2^26539907474 is an apocalyptic number.

26539907474 is a deficient number, since it is larger than the sum of its proper divisors (14045360494).

26539907474 is a wasteful number, since it uses less digits than its factorization.

26539907474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888449.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 26539907474 in words is "twenty-six billion, five hundred thirty-nine million, nine hundred seven thousand, four hundred seventy-four".