449492472 has 192 divisors, whose sum is σ = 1444716000. Its totient is φ = 124462080.

The previous prime is 449492441. The next prime is 449492509. The reversal of 449492472 is 274294944.

449492472 is a `hidden beast` number, since 4 + 4 + 94 + 92 + 472 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1533958 + ... + 1534250.

Almost surely, 2^449492472 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 449492472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722358000).

449492472 is an abundant number, since it is smaller than the sum of its proper divisors (995223528).

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

449492472 is a wasteful number, since it uses less digits than its factorization.

449492472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 471 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 449492472 is about 21201.2375110511. The cubic root of 449492472 is about 766.0212325419.

The spelling of 449492472 in words is "four hundred forty-nine million, four hundred ninety-two thousand, four hundred seventy-two".