452819988 has 36 divisors (see below), whose sum is σ = 1146425280. Its totient is φ = 150703056.

The previous prime is 452819977. The next prime is 452820013. The reversal of 452819988 is 889918254.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 14181 + ... + 33267.

Almost surely, 2^452819988 is an apocalyptic number.

It is an amenable number.

452819988 is an abundant number, since it is smaller than the sum of its proper divisors (693605292).

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

452819988 is a wasteful number, since it uses less digits than its factorization.

452819988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756 (or 19751 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The square root of 452819988 is about 21279.5673828205. The cubic root of 452819988 is about 767.9068287037.

The spelling of 452819988 in words is "four hundred fifty-two million, eight hundred nineteen thousand, nine hundred eighty-eight".