26121364264 has 8 divisors (see below), whose sum is σ = 48977558010. Its totient is φ = 13060682128.

The previous prime is 26121364219. The next prime is 26121364301. The reversal of 26121364264 is 46246312162.

It can be written as a sum of positive squares in only one way, i.e., 18542268900 + 7579095364 = 136170^2 + 87058^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632585259 + ... + 1632585274.

Almost surely, 2^26121364264 is an apocalyptic number.

It is an amenable number.

26121364264 is a deficient number, since it is larger than the sum of its proper divisors (22856193746).

26121364264 is a wasteful number, since it uses less digits than its factorization.

26121364264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265170539 (or 3265170535 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The spelling of 26121364264 in words is "twenty-six billion, one hundred twenty-one million, three hundred sixty-four thousand, two hundred sixty-four".