452578768 has 20 divisors (see below), whose sum is σ = 878218468. Its totient is φ = 225941760.

The previous prime is 452578739. The next prime is 452578771. The reversal of 452578768 is 867875254.

It can be written as a sum of positive squares in 2 ways, for example, as 301091904 + 151486864 = 17352^2 + 12308^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821 + ... + 31972.

Almost surely, 2^452578768 is an apocalyptic number.

It is an amenable number.

452578768 is a deficient number, since it is larger than the sum of its proper divisors (425639700).

452578768 is a wasteful number, since it uses less digits than its factorization.

452578768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43462 (or 43456 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The square root of 452578768 is about 21273.8987494065. The cubic root of 452578768 is about 767.7704482496.

The spelling of 452578768 in words is "four hundred fifty-two million, five hundred seventy-eight thousand, seven hundred sixty-eight".