449919342 has 12 divisors (see below), whose sum is σ = 974825280. Its totient is φ = 149973108.

The previous prime is 449919329. The next prime is 449919359. The reversal of 449919342 is 243919944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12497742 + ... + 12497777.

It is an arithmetic number, because the mean of its divisors is an integer number (81235440).

Almost surely, 2^449919342 is an apocalyptic number.

449919342 is an abundant number, since it is smaller than the sum of its proper divisors (524905938).

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

449919342 is a wasteful number, since it uses less digits than its factorization.

449919342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995527 (or 24995524 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 449919342 is about 21211.3022231074. The cubic root of 449919342 is about 766.2636452236.

The spelling of 449919342 in words is "four hundred forty-nine million, nine hundred nineteen thousand, three hundred forty-two".