26431401458 has 32 divisors (see below), whose sum is σ = 50055874560. Its totient is φ = 10167590160.

The previous prime is 26431401439. The next prime is 26431401481. The reversal of 26431401458 is 85410413462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074116 + ... + 1098447.

It is an arithmetic number, because the mean of its divisors is an integer number (1564246080).

Almost surely, 2^26431401458 is an apocalyptic number.

26431401458 is a deficient number, since it is larger than the sum of its proper divisors (23624473102).

26431401458 is a wasteful number, since it uses less digits than its factorization.

26431401458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172662.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 26431401458 in words is "twenty-six billion, four hundred thirty-one million, four hundred one thousand, four hundred fifty-eight".