26322200644 has 12 divisors (see below), whose sum is σ = 46066761468. Its totient is φ = 13160268800.

The previous prime is 26322200629. The next prime is 26322200651. The reversal of 26322200644 is 44600222362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6585322500 + 19736878144 = 81150^2 + 140488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133717 + ... + 265564.

It is an arithmetic number, because the mean of its divisors is an integer number (3838896789).

Almost surely, 2^26322200644 is an apocalyptic number.

It is an amenable number.

26322200644 is a deficient number, since it is larger than the sum of its proper divisors (19744560824).

26322200644 is a wasteful number, since it uses less digits than its factorization.

26322200644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415766 (or 415764 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 26322200644 in words is "twenty-six billion, three hundred twenty-two million, two hundred thousand, six hundred forty-four".