453415320 has 80 divisors (see below), whose sum is σ = 1523990160. Its totient is φ = 120909888.

The previous prime is 453415283. The next prime is 453415327. The reversal of 453415320 is 23514354.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453415327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66732 + ... + 73211.

It is an arithmetic number, because the mean of its divisors is an integer number (19049877).

Almost surely, 2^453415320 is an apocalyptic number.

453415320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

453415320 is an abundant number, since it is smaller than the sum of its proper divisors (1070574840).

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

453415320 is a wasteful number, since it uses less digits than its factorization.

453415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139966 (or 139953 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 453415320 is about 21293.5511364357. The cubic root of 453415320 is about 768.2432091056.

Adding to 453415320 its reverse (23514354), we get a palindrome (476929674).

The spelling of 453415320 in words is "four hundred fifty-three million, four hundred fifteen thousand, three hundred twenty".