452555388 has 72 divisors (see below), whose sum is σ = 1166387040. Its totient is φ = 147924480.

The previous prime is 452555387. The next prime is 452555413. The reversal of 452555388 is 883555254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452555381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438433 + ... + 439463.

It is an arithmetic number, because the mean of its divisors is an integer number (16199820).

Almost surely, 2^452555388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452555388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583193520).

452555388 is an abundant number, since it is smaller than the sum of its proper divisors (713831652).

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

452555388 is a wasteful number, since it uses less digits than its factorization.

452555388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 452555388 is about 21273.3492426557. The cubic root of 452555388 is about 767.7572271387.

The spelling of 452555388 in words is "four hundred fifty-two million, five hundred fifty-five thousand, three hundred eighty-eight".