26890638074 has 16 divisors (see below), whose sum is σ = 41431373856. Its totient is φ = 13080272400.

The previous prime is 26890638067. The next prime is 26890638091. The reversal of 26890638074 is 47083609862.

It is a Curzon 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, 728729 + ... + 764739.

It is an arithmetic number, because the mean of its divisors is an integer number (2589460866).

Almost surely, 2^26890638074 is an apocalyptic number.

26890638074 is a deficient number, since it is larger than the sum of its proper divisors (14540735782).

26890638074 is a wasteful number, since it uses less digits than its factorization.

26890638074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46141.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 26890638074 in words is "twenty-six billion, eight hundred ninety million, six hundred thirty-eight thousand, seventy-four".