26352400664 has 32 divisors (see below), whose sum is σ = 52042440000. Its totient is φ = 12475246752.

The previous prime is 26352400663. The next prime is 26352400667. The reversal of 26352400664 is 46600425362.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26352400663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207227 + ... + 309269.

It is an arithmetic number, because the mean of its divisors is an integer number (1626326250).

Almost surely, 2^26352400664 is an apocalyptic number.

It is an amenable number.

26352400664 is a deficient number, since it is larger than the sum of its proper divisors (25690039336).

26352400664 is a wasteful number, since it uses less digits than its factorization.

26352400664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103767 (or 103763 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 26352400664 in words is "twenty-six billion, three hundred fifty-two million, four hundred thousand, six hundred sixty-four".