453440190 has 32 divisors (see below), whose sum is σ = 1243722240. Its totient is φ = 103643424.

The previous prime is 453440179. The next prime is 453440209. The reversal of 453440190 is 91044354.

It is a super-2 number, since 2×453440190² = 411216011814472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079410 + ... + 1079829.

It is an arithmetic number, because the mean of its divisors is an integer number (38866320).

Almost surely, 2^453440190 is an apocalyptic number.

453440190 is an abundant number, since it is smaller than the sum of its proper divisors (790282050).

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

453440190 is a wasteful number, since it uses less digits than its factorization.

453440190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159256.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 453440190 is about 21294.1351080526. The cubic root of 453440190 is about 768.2572549913.

The spelling of 453440190 in words is "four hundred fifty-three million, four hundred forty thousand, one hundred ninety".