26655540564 has 24 divisors (see below), whose sum is σ = 62521901568. Its totient is φ = 8838660160.

The previous prime is 26655540551. The next prime is 26655540577. The reversal of 26655540564 is 46504555662.

It is an interprime number because it is at equal distance from previous prime (26655540551) and next prime (26655540577).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812617 + ... + 5817200.

It is an arithmetic number, because the mean of its divisors is an integer number (2605079232).

Almost surely, 2^26655540564 is an apocalyptic number.

It is an amenable number.

26655540564 is an abundant number, since it is smaller than the sum of its proper divisors (35866361004).

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

26655540564 is a wasteful number, since it uses less digits than its factorization.

26655540564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630015 (or 11630013 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 26655540564 in words is "twenty-six billion, six hundred fifty-five million, five hundred forty thousand, five hundred sixty-four".