26329131340864 has 63 divisors (see below), whose sum is σ = 57429362687781. Its totient is φ = 11967581725440.

The previous prime is 26329131340843. The next prime is 26329131340871. The reversal of 26329131340864 is 46804313192362.

The square root of 26329131340864 is 5131192.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12551375155264 + 13777756185600 = 3542792^2 + 3711840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 451515742 + ... + 451574050.

Almost surely, 2^{26329131340864} is an apocalyptic number.

26329131340864 is the 5131192-nd square number.

It is an amenable number.

26329131340864 is an abundant number, since it is smaller than the sum of its proper divisors (31100231346917).

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

26329131340864 is an frugal number, since it uses more digits than its factorization.

26329131340864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116652 (or 58322 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 26329131340864 in words is "twenty-six trillion, three hundred twenty-nine billion, one hundred thirty-one million, three hundred forty thousand, eight hundred sixty-four".