449190913264 has 20 divisors (see below), whose sum is σ = 870344287704. Its totient is φ = 224585935808.

The previous prime is 449190913217. The next prime is 449190913279. The reversal of 449190913264 is 462319091944.

It is a super-2 number, since 2×449190913264² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 197782 + ... + 968245.

Almost surely, 2^449190913264 is an apocalyptic number.

It is an amenable number.

449190913264 is a deficient number, since it is larger than the sum of its proper divisors (421153374440).

449190913264 is a wasteful number, since it uses less digits than its factorization.

449190913264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190112 (or 1190106 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 449190913264 in words is "four hundred forty-nine billion, one hundred ninety million, nine hundred thirteen thousand, two hundred sixty-four".