361264864 has 24 divisors (see below), whose sum is σ = 742165200. Its totient is φ = 172778496.

The previous prime is 361264859. The next prime is 361264877. The reversal of 361264864 is 468462163.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244689 + ... + 246160.

It is an arithmetic number, because the mean of its divisors is an integer number (30923550).

Almost surely, 2^361264864 is an apocalyptic number.

It is an amenable number.

361264864 is an abundant number, since it is smaller than the sum of its proper divisors (380900336).

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

361264864 is a wasteful number, since it uses less digits than its factorization.

361264864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490882 (or 490874 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 361264864 is about 19006.9688272486. The cubic root of 361264864 is about 712.2108326525.

It can be divided in two parts, 361 and 264864, that added together give a square (265225 = 515²).

The spelling of 361264864 in words is "three hundred sixty-one million, two hundred sixty-four thousand, eight hundred sixty-four".