26642302664 has 16 divisors (see below), whose sum is σ = 52583492400. Its totient is φ = 12620038032.

The previous prime is 26642302613. The next prime is 26642302679. The reversal of 26642302664 is 46620324662.

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, 87639002 + ... + 87639305.

It is an arithmetic number, because the mean of its divisors is an integer number (3286468275).

Almost surely, 2^26642302664 is an apocalyptic number.

It is an amenable number.

26642302664 is a deficient number, since it is larger than the sum of its proper divisors (25941189736).

26642302664 is a wasteful number, since it uses less digits than its factorization.

26642302664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175278332 (or 175278328 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 26642302664 in words is "twenty-six billion, six hundred forty-two million, three hundred two thousand, six hundred sixty-four".