26241632564 has 24 divisors (see below), whose sum is σ = 55245543360. Its totient is φ = 10654497216.

The previous prime is 26241632563. The next prime is 26241632567. The reversal of 26241632564 is 46523614262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26241632561) 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, 24662657 + ... + 24663720.

It is an arithmetic number, because the mean of its divisors is an integer number (2301897640).

Almost surely, 2^26241632564 is an apocalyptic number.

It is an amenable number.

26241632564 is an abundant number, since it is smaller than the sum of its proper divisors (29003910796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26241632564 is a wasteful number, since it uses less digits than its factorization.

26241632564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49326407 (or 49326405 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The spelling of 26241632564 in words is "twenty-six billion, two hundred forty-one million, six hundred thirty-two thousand, five hundred sixty-four".