449081750634 has 32 divisors (see below), whose sum is σ = 998301806784. Its totient is φ = 133517729280.

The previous prime is 449081750599. The next prime is 449081750653. The reversal of 449081750634 is 436057180944.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64187719 + ... + 64194714.

It is an arithmetic number, because the mean of its divisors is an integer number (31196931462).

Almost surely, 2^449081750634 is an apocalyptic number.

449081750634 is an abundant number, since it is smaller than the sum of its proper divisors (549220056150).

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

449081750634 is a wasteful number, since it uses less digits than its factorization.

449081750634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128382502.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 449081750634 in words is "four hundred forty-nine billion, eighty-one million, seven hundred fifty thousand, six hundred thirty-four".