449860902554 has 12 divisors (see below), whose sum is σ = 784961370954. Its totient is φ = 192797529624.

The previous prime is 449860902497. The next prime is 449860902559. The reversal of 449860902554 is 455209068944.

It can be written as a sum of positive squares in only one way, i.e., 447463331329 + 2397571225 = 668927^2 + 48965^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 449860902554.

It is not an unprimeable number, because it can be changed into a prime (449860902559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2295208589 + ... + 2295208784.

Almost surely, 2^449860902554 is an apocalyptic number.

449860902554 is a deficient number, since it is larger than the sum of its proper divisors (335100468400).

449860902554 is a wasteful number, since it uses less digits than its factorization.

449860902554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590417389 (or 4590417382 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 449860902554 in words is "four hundred forty-nine billion, eight hundred sixty million, nine hundred two thousand, five hundred fifty-four".