449086487688 has 96 divisors (see below), whose sum is σ = 1259941246200. Its totient is φ = 144403353600.

The previous prime is 449086487639. The next prime is 449086487713. The reversal of 449086487688 is 886784680944.

449086487688 is a `hidden beast` number, since 4 + 4 + 9 + 0 + 86 + 487 + 68 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 324605946564 + 124480541124 = 569742^2 + 352818^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591933 + ... + 1117388.

Almost surely, 2^449086487688 is an apocalyptic number.

It is an amenable number.

449086487688 is an abundant number, since it is smaller than the sum of its proper divisors (810854758512).

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

449086487688 is a wasteful number, since it uses less digits than its factorization.

449086487688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709463 (or 1709456 counting only the distinct ones).

The product of its (nonzero) digits is 594542592, while the sum is 72.

The spelling of 449086487688 in words is "four hundred forty-nine billion, eighty-six million, four hundred eighty-seven thousand, six hundred eighty-eight".