449606628 has 36 divisors (see below), whose sum is σ = 1140547408. Its totient is φ = 149335920.

The previous prime is 449606627. The next prime is 449606657. The reversal of 449606628 is 826606944.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×449606628² = 404292239883060768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449606627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11878 + ... + 32253.

Almost surely, 2^449606628 is an apocalyptic number.

It is an amenable number.

449606628 is an abundant number, since it is smaller than the sum of its proper divisors (690940780).

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

449606628 is a wasteful number, since it uses less digits than its factorization.

449606628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44424 (or 44419 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 449606628 is about 21203.9295414789. The cubic root of 449606628 is about 766.0860749464.

The spelling of 449606628 in words is "four hundred forty-nine million, six hundred six thousand, six hundred twenty-eight".