448990190 has 64 divisors (see below), whose sum is σ = 914830848. Its totient is φ = 157219200.

The previous prime is 448990169. The next prime is 448990211. The reversal of 448990190 is 91099844.

It is an interprime number because it is at equal distance from previous prime (448990169) and next prime (448990211).

It is a super-2 number, since 2×448990190² = 403184381432472200, 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 31 ways as a sum of consecutive naturals, for example, 434975 + ... + 436005.

It is an arithmetic number, because the mean of its divisors is an integer number (14294232).

Almost surely, 2^448990190 is an apocalyptic number.

448990190 is an abundant number, since it is smaller than the sum of its proper divisors (465840658).

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

448990190 is a wasteful number, since it uses less digits than its factorization.

448990190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 448990190 is about 21189.3886178908. The cubic root of 448990190 is about 765.7357979647.

The spelling of 448990190 in words is "four hundred forty-eight million, nine hundred ninety thousand, one hundred ninety".