449427317625 has 96 divisors (see below), whose sum is σ = 951805685376. Its totient is φ = 201142224000.

The previous prime is 449427317621. The next prime is 449427317627. The reversal of 449427317625 is 526713724944.

449427317625 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 2 + 7 + 3 + 1 + 7 + 625 = 666.

It is not a de Polignac number, because 449427317625 - 2² = 449427317621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449427317621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1235947 + ... + 1557696.

It is an arithmetic number, because the mean of its divisors is an integer number (9914642556).

Almost surely, 2^449427317625 is an apocalyptic number.

449427317625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449427317625 is an abundant number, since it is smaller than the sum of its proper divisors (502378367751).

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

449427317625 is a wasteful number, since it uses less digits than its factorization.

449427317625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793688 (or 2793675 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 449427317625 in words is "four hundred forty-nine billion, four hundred twenty-seven million, three hundred seventeen thousand, six hundred twenty-five".