452137240 has 32 divisors (see below), whose sum is σ = 1022597280. Its totient is φ = 179914752.

The previous prime is 452137229. The next prime is 452137277. The reversal of 452137240 is 42731254.

It is a junction number, because it is equal to n+sod(n) for n = 452137199 and 452137208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21564 + ... + 37003.

It is an arithmetic number, because the mean of its divisors is an integer number (31956165).

Almost surely, 2^452137240 is an apocalyptic number.

452137240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452137240 is an abundant number, since it is smaller than the sum of its proper divisors (570460040).

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

452137240 is a wasteful number, since it uses less digits than its factorization.

452137240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58771 (or 58767 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 452137240 is about 21263.5189938072. The cubic root of 452137240 is about 767.5206924999.

Adding to 452137240 its reverse (42731254), we get a palindrome (494868494).

The spelling of 452137240 in words is "four hundred fifty-two million, one hundred thirty-seven thousand, two hundred forty".