449256216366 has 48 divisors (see below), whose sum is σ = 995064838560. Its totient is φ = 146445629760.

The previous prime is 449256216359. The next prime is 449256216419. The reversal of 449256216366 is 663612652944.

449256216366 is a `hidden beast` number, since 4 + 4 + 9 + 2 + 5 + 621 + 6 + 3 + 6 + 6 = 666.

It is a super-2 number, since 2×449256216366² (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 23 ways as a sum of consecutive naturals, for example, 992586 + ... + 1372493.

It is an arithmetic number, because the mean of its divisors is an integer number (20730517470).

Almost surely, 2^449256216366 is an apocalyptic number.

449256216366 is an abundant number, since it is smaller than the sum of its proper divisors (545808622194).

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

449256216366 is a wasteful number, since it uses less digits than its factorization.

449256216366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365321 (or 2365318 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 449256216366 in words is "four hundred forty-nine billion, two hundred fifty-six million, two hundred sixteen thousand, three hundred sixty-six".