453670380 has 72 divisors (see below), whose sum is σ = 1391644800. Its totient is φ = 119615232.

The previous prime is 453670379. The next prime is 453670397. The reversal of 453670380 is 83076354.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1861 + ... + 30179.

It is an arithmetic number, because the mean of its divisors is an integer number (19328400).

Almost surely, 2^453670380 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 453670380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695822400).

453670380 is an abundant number, since it is smaller than the sum of its proper divisors (937974420).

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

453670380 is a wasteful number, since it uses less digits than its factorization.

453670380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28423 (or 28418 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 453670380 is about 21299.5394316403. The cubic root of 453670380 is about 768.3872355448.

The spelling of 453670380 in words is "four hundred fifty-three million, six hundred seventy thousand, three hundred eighty".