449255079120 has 80 divisors (see below), whose sum is σ = 1474613743680. Its totient is φ = 112754214912.

The previous prime is 449255079109. The next prime is 449255079181. The reversal of 449255079120 is 21970552944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×449255079120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 449255079120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55051690 + ... + 55059849.

It is an arithmetic number, because the mean of its divisors is an integer number (18432671796).

Almost surely, 2^449255079120 is an apocalyptic number.

449255079120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449255079120 is an abundant number, since it is smaller than the sum of its proper divisors (1025358664560).

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

449255079120 is a wasteful number, since it uses less digits than its factorization.

449255079120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111572 (or 110111566 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 449255079120 in words is "four hundred forty-nine billion, two hundred fifty-five million, seventy-nine thousand, one hundred twenty".