26926221512 has 8 divisors (see below), whose sum is σ = 50486665350. Its totient is φ = 13463110752.

The previous prime is 26926221499. The next prime is 26926221523. The reversal of 26926221512 is 21512262962.

It can be written as a sum of positive squares in only one way, i.e., 14637612196 + 12288609316 = 120986^2 + 110854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×26926221512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682888837 + ... + 1682888852.

Almost surely, 2^26926221512 is an apocalyptic number.

It is an amenable number.

26926221512 is a deficient number, since it is larger than the sum of its proper divisors (23560443838).

26926221512 is a wasteful number, since it uses less digits than its factorization.

26926221512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365777695 (or 3365777691 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 26926221512 in words is "twenty-six billion, nine hundred twenty-six million, two hundred twenty-one thousand, five hundred twelve".