264261382393946 has 32 divisors (see below), whose sum is σ = 453655240842240. Its totient is φ = 113095999910016.

The previous prime is 264261382393913. The next prime is 264261382393949. The reversal of 264261382393946 is 649393283162462.

It is not an unprimeable number, because it can be changed into a prime (264261382393949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56801726 + ... + 61277718.

It is an arithmetic number, because the mean of its divisors is an integer number (14176726276320).

Almost surely, 2^{264261382393946} is an apocalyptic number.

264261382393946 is a deficient number, since it is larger than the sum of its proper divisors (189393858448294).

264261382393946 is a wasteful number, since it uses less digits than its factorization.

264261382393946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481918.

The product of its digits is 483729408, while the sum is 68.

The spelling of 264261382393946 in words is "two hundred sixty-four trillion, two hundred sixty-one billion, three hundred eighty-two million, three hundred ninety-three thousand, nine hundred forty-six".