452251140 has 96 divisors (see below), whose sum is σ = 1384871040. Its totient is φ = 109363200.

The previous prime is 452251123. The next prime is 452251141. The reversal of 452251140 is 41152254.

It is a self number, because there is not a number n which added to its sum of digits gives 452251140.

It is not an unprimeable number, because it can be changed into a prime (452251141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422526 + ... + 423594.

It is an arithmetic number, because the mean of its divisors is an integer number (14425740).

Almost surely, 2^452251140 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 452251140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692435520).

452251140 is an abundant number, since it is smaller than the sum of its proper divisors (932619900).

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

452251140 is a wasteful number, since it uses less digits than its factorization.

452251140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 452251140 is about 21266.1971212532. The cubic root of 452251140 is about 767.5851369939.

The spelling of 452251140 in words is "four hundred fifty-two million, two hundred fifty-one thousand, one hundred forty".