449373457536 has 32 divisors (see below), whose sum is σ = 1193648247600. Its totient is φ = 149791152384.

The previous prime is 449373457513. The next prime is 449373457607. The reversal of 449373457536 is 635754373944.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 449373457536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585121306 + ... + 585122073.

Almost surely, 2^449373457536 is an apocalyptic number.

It is an amenable number.

449373457536 is an abundant number, since it is smaller than the sum of its proper divisors (744274790064).

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

449373457536 is a wasteful number, since it uses less digits than its factorization.

449373457536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170243396 (or 1170243384 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 60.

The spelling of 449373457536 in words is "four hundred forty-nine billion, three hundred seventy-three million, four hundred fifty-seven thousand, five hundred thirty-six".