449015964 has 24 divisors (see below), whose sum is σ = 1053764880. Its totient is φ = 148806144.

The previous prime is 449015909. The next prime is 449015971. The reversal of 449015964 is 469510944.

It is a congruent number.

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, 106069 + ... + 110220.

It is an arithmetic number, because the mean of its divisors is an integer number (43906870).

Almost surely, 2^449015964 is an apocalyptic number.

It is an amenable number.

449015964 is an abundant number, since it is smaller than the sum of its proper divisors (604748916).

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

449015964 is a wasteful number, since it uses less digits than its factorization.

449015964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216469 (or 216467 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 449015964 is about 21189.9967909389. The cubic root of 449015964 is about 765.7504498786.

The spelling of 449015964 in words is "four hundred forty-nine million, fifteen thousand, nine hundred sixty-four".