450972190 has 32 divisors (see below), whose sum is σ = 839796480. Its totient is φ = 174182400.

The previous prime is 450972143. The next prime is 450972217. The reversal of 450972190 is 91279054.

It is a super-2 number, since 2×450972190² = 406751832306792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166366 + ... + 169054.

It is an arithmetic number, because the mean of its divisors is an integer number (26243640).

Almost surely, 2^450972190 is an apocalyptic number.

450972190 is a deficient number, since it is larger than the sum of its proper divisors (388824290).

450972190 is a wasteful number, since it uses less digits than its factorization.

450972190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 450972190 is about 21236.1058106236. The cubic root of 450972190 is about 766.8608861020.

The spelling of 450972190 in words is "four hundred fifty million, nine hundred seventy-two thousand, one hundred ninety".