449475790 has 8 divisors (see below), whose sum is σ = 809056440. Its totient is φ = 179790312.

The previous prime is 449475773. The next prime is 449475797. The reversal of 449475790 is 97574944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×449475790² = 404056971592248200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449475797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22473780 + ... + 22473799.

It is an arithmetic number, because the mean of its divisors is an integer number (101132055).

Almost surely, 2^449475790 is an apocalyptic number.

449475790 is a deficient number, since it is larger than the sum of its proper divisors (359580650).

449475790 is a wasteful number, since it uses less digits than its factorization.

449475790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44947586.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 449475790 is about 21200.8440869697. The cubic root of 449475790 is about 766.0117559840.

The spelling of 449475790 in words is "four hundred forty-nine million, four hundred seventy-five thousand, seven hundred ninety".