264223217472578 has 96 divisors (see below), whose sum is σ = 495092563891200. Its totient is φ = 103548644042688.

The previous prime is 264223217472499. The next prime is 264223217472583. The reversal of 264223217472578 is 875274712322462.

It is a super-2 number, since 2×264223217472578² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 264223217472578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110198093 + ... + 112570271.

It is an arithmetic number, because the mean of its divisors is an integer number (5157214207200).

Almost surely, 2^{264223217472578} is an apocalyptic number.

264223217472578 is a deficient number, since it is larger than the sum of its proper divisors (230869346418622).

264223217472578 is a wasteful number, since it uses less digits than its factorization.

264223217472578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372656 (or 2372643 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 62.

The spelling of 264223217472578 in words is "two hundred sixty-four trillion, two hundred twenty-three billion, two hundred seventeen million, four hundred seventy-two thousand, five hundred seventy-eight".