452537920 has 28 divisors (see below), whose sum is σ = 1077606684. Its totient is φ = 181015040.

The previous prime is 452537849. The next prime is 452537923. The reversal of 452537920 is 29735254.

It can be written as a sum of positive squares in 2 ways, for example, as 53816896 + 398721024 = 7336^2 + 19968^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 452537920.

It is not an unprimeable number, because it can be changed into a prime (452537923) 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, 706771 + ... + 707410.

It is an arithmetic number, because the mean of its divisors is an integer number (38485953).

Almost surely, 2^452537920 is an apocalyptic number.

452537920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452537920 is an abundant number, since it is smaller than the sum of its proper divisors (625068764).

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

452537920 is a wasteful number, since it uses less digits than its factorization.

452537920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414198 (or 1414188 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 452537920 is about 21272.9386780482. The cubic root of 452537920 is about 767.7473488961.

The spelling of 452537920 in words is "four hundred fifty-two million, five hundred thirty-seven thousand, nine hundred twenty".