452320988 has 12 divisors (see below), whose sum is σ = 904642032. Its totient is φ = 193851840.

The previous prime is 452320987. The next prime is 452321017. The reversal of 452320988 is 889023254.

452320988 is an admirable number.

It is a super-2 number, since 2×452320988² = 409188552370592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452320987) 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, 8077133 + ... + 8077188.

It is an arithmetic number, because the mean of its divisors is an integer number (75386836).

Almost surely, 2^452320988 is an apocalyptic number.

It is an amenable number.

452320988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

452320988 is a wasteful number, since it uses less digits than its factorization.

452320988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154332 (or 16154330 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 452320988 is about 21267.8392884656. The cubic root of 452320988 is about 767.6246515630.

The spelling of 452320988 in words is "four hundred fifty-two million, three hundred twenty thousand, nine hundred eighty-eight".