452315240 has 128 divisors (see below), whose sum is σ = 1164844800. Its totient is φ = 156794880.

The previous prime is 452315231. The next prime is 452315249. The reversal of 452315240 is 42513254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (452315231) and next prime (452315249).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (452315249) 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, 705320 + ... + 705960.

It is an arithmetic number, because the mean of its divisors is an integer number (9100350).

Almost surely, 2^452315240 is an apocalyptic number.

452315240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582422400).

452315240 is an abundant number, since it is smaller than the sum of its proper divisors (712529560).

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

452315240 is a wasteful number, since it uses less digits than its factorization.

452315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 452315240 is about 21267.7041544216. The cubic root of 452315240 is about 767.6213999450.

Adding to 452315240 its reverse (42513254), we get a palindrome (494828494).

The spelling of 452315240 in words is "four hundred fifty-two million, three hundred fifteen thousand, two hundred forty".