64380334026 has 16 divisors (see below), whose sum is σ = 128771136000. Its totient is φ = 21458366688.

The previous prime is 64380334021. The next prime is 64380334097. The reversal of 64380334026 is 62043308346.

It is not an unprimeable number, because it can be changed into a prime (64380334021) 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, 355051 + ... + 504798.

It is an arithmetic number, because the mean of its divisors is an integer number (8048196000).

Almost surely, 2^64380334026 is an apocalyptic number.

64380334026 is an abundant number, since it is smaller than the sum of its proper divisors (64390801974).

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

64380334026 is a wasteful number, since it uses less digits than its factorization.

64380334026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872333.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 64380334026 in words is "sixty-four billion, three hundred eighty million, three hundred thirty-four thousand, twenty-six".