26520413042464 has 24 divisors (see below), whose sum is σ = 56958614376048. Its totient is φ = 12054733200960.

The previous prime is 26520413042429. The next prime is 26520413042491. The reversal of 26520413042464 is 46424031402562.

It is a self number, because there is not a number n which added to its sum of digits gives 26520413042464.

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, 37671040902 + ... + 37671041605.

It is an arithmetic number, because the mean of its divisors is an integer number (2373275599002).

Almost surely, 2^{26520413042464} is an apocalyptic number.

It is an amenable number.

26520413042464 is an abundant number, since it is smaller than the sum of its proper divisors (30438201333584).

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

26520413042464 is a wasteful number, since it uses less digits than its factorization.

26520413042464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75342082528 (or 75342082520 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 26520413042464 in words is "twenty-six trillion, five hundred twenty billion, four hundred thirteen million, forty-two thousand, four hundred sixty-four".