449989944 has 32 divisors (see below), whose sum is σ = 1130640000. Its totient is φ = 149241312.

The previous prime is 449989933. The next prime is 449989951.

449989944 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×449989944² = 404981899402246272, 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 7 ways as a sum of consecutive naturals, for example, 42334 + ... + 51885.

It is an arithmetic number, because the mean of its divisors is an integer number (35332500).

Almost surely, 2^449989944 is an apocalyptic number.

It is an amenable number.

449989944 is an abundant number, since it is smaller than the sum of its proper divisors (680650056).

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

449989944 is a wasteful number, since it uses less digits than its factorization.

449989944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94427 (or 94423 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The square root of 449989944 is about 21212.9664120792. The cubic root of 449989944 is about 766.3037241972.

The spelling of 449989944 in words is "four hundred forty-nine million, nine hundred eighty-nine thousand, nine hundred forty-four".