452649620 has 12 divisors (see below), whose sum is σ = 950564244. Its totient is φ = 181059840.

The previous prime is 452649581. The next prime is 452649629. The reversal of 452649620 is 26946254.

It can be written as a sum of positive squares in 2 ways, for example, as 195496324 + 257153296 = 13982^2 + 16036^2 .

It is a super-2 number, since 2×452649620² = 409783356972288800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452649629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11316221 + ... + 11316260.

It is an arithmetic number, because the mean of its divisors is an integer number (79213687).

Almost surely, 2^452649620 is an apocalyptic number.

It is an amenable number.

452649620 is an abundant number, since it is smaller than the sum of its proper divisors (497914624).

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

452649620 is a wasteful number, since it uses less digits than its factorization.

452649620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22632490 (or 22632488 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 452649620 is about 21275.5639173207. The cubic root of 452649620 is about 767.8105114292.

The spelling of 452649620 in words is "four hundred fifty-two million, six hundred forty-nine thousand, six hundred twenty".