449942316 has 24 divisors (see below), whose sum is σ = 1060061184. Its totient is φ = 148524240.

The previous prime is 449942309. The next prime is 449942341. The reversal of 449942316 is 613249944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180780 + ... + 183251.

It is an arithmetic number, because the mean of its divisors is an integer number (44169216).

Almost surely, 2^449942316 is an apocalyptic number.

It is an amenable number.

449942316 is an abundant number, since it is smaller than the sum of its proper divisors (610118868).

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

449942316 is a wasteful number, since it uses less digits than its factorization.

449942316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364141 (or 364139 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 449942316 is about 21211.8437671033. The cubic root of 449942316 is about 766.2766874438.

Subtracting 449942316 from its reverse (613249944), we obtain a triangular number (163307628 = T₁₈₀₇₂).

The spelling of 449942316 in words is "four hundred forty-nine million, nine hundred forty-two thousand, three hundred sixteen".