452390499 has 48 divisors (see below), whose sum is σ = 729066624. Its totient is φ = 268012800.

The previous prime is 452390483. The next prime is 452390501. The reversal of 452390499 is 994093254.

It is a happy number.

It is not a de Polignac number, because 452390499 - 2⁴ = 452390483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452390479) by changing a digit.

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, 1598412 + ... + 1598694.

It is an arithmetic number, because the mean of its divisors is an integer number (15188888).

Almost surely, 2^452390499 is an apocalyptic number.

452390499 is a deficient number, since it is larger than the sum of its proper divisors (276676125).

452390499 is a wasteful number, since it uses less digits than its factorization.

452390499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 452390499 is about 21269.4734067395. The cubic root of 452390499 is about 767.6639714453.

The spelling of 452390499 in words is "four hundred fifty-two million, three hundred ninety thousand, four hundred ninety-nine".