816254264 has 32 divisors (see below), whose sum is σ = 1786337280. Its totient is φ = 342379104.

The previous prime is 816254191. The next prime is 816254293. The reversal of 816254264 is 462452618.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 152432 + ... + 157695.

It is an arithmetic number, because the mean of its divisors is an integer number (55823040).

Almost surely, 2^816254264 is an apocalyptic number.

It is an amenable number.

816254264 is an abundant number, since it is smaller than the sum of its proper divisors (970083016).

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

816254264 is a wasteful number, since it uses less digits than its factorization.

816254264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310187 (or 310183 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 816254264 is about 28570.1638777239. The cubic root of 816254264 is about 934.5627948230.

It can be divided in two parts, 8162 and 54264, that added together give a palindrome (62426).

The spelling of 816254264 in words is "eight hundred sixteen million, two hundred fifty-four thousand, two hundred sixty-four".