453155240 has 16 divisors (see below), whose sum is σ = 1019599380. Its totient is φ = 181262080.

The previous prime is 453155239. The next prime is 453155249. The reversal of 453155240 is 42551354.

It can be written as a sum of positive squares in 2 ways, for example, as 452753284 + 401956 = 21278^2 + 634^2 .

It is not an unprimeable number, because it can be changed into a prime (453155249) 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, 5664401 + ... + 5664480.

Almost surely, 2^453155240 is an apocalyptic number.

453155240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453155240 is an abundant number, since it is smaller than the sum of its proper divisors (566444140).

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

453155240 is a wasteful number, since it uses less digits than its factorization.

453155240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328892 (or 11328888 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 453155240 is about 21287.4432471352. The cubic root of 453155240 is about 768.0962923606.

The spelling of 453155240 in words is "four hundred fifty-three million, one hundred fifty-five thousand, two hundred forty".