449873676 has 144 divisors (see below), whose sum is σ = 1384970496. Its totient is φ = 124991424.

The previous prime is 449873663. The next prime is 449873687. The reversal of 449873676 is 676378944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250855 + ... + 252641.

Almost surely, 2^449873676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449873676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692485248).

449873676 is an abundant number, since it is smaller than the sum of its proper divisors (935096820).

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

449873676 is a wasteful number, since it uses less digits than its factorization.

449873676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1836 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 449873676 is about 21210.2257413730. The cubic root of 449873676 is about 766.2377195548.

The spelling of 449873676 in words is "four hundred forty-nine million, eight hundred seventy-three thousand, six hundred seventy-six".