449899180272 has 60 divisors (see below), whose sum is σ = 1259551307664. Its totient is φ = 149911787520.

The previous prime is 449899180253. The next prime is 449899180333. The reversal of 449899180272 is 272081998944.

449899180272 is a `hidden beast` number, since 449 + 8 + 9 + 9 + 180 + 2 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171004 + ... + 963867.

Almost surely, 2^449899180272 is an apocalyptic number.

It is an amenable number.

449899180272 is an abundant number, since it is smaller than the sum of its proper divisors (809652127392).

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

449899180272 is a wasteful number, since it uses less digits than its factorization.

449899180272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137638 (or 1137629 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 449899180272 in words is "four hundred forty-nine billion, eight hundred ninety-nine million, one hundred eighty thousand, two hundred seventy-two".