449529031156 has 24 divisors (see below), whose sum is σ = 788036460680. Its totient is φ = 224375961600.

The previous prime is 449529031153. The next prime is 449529031169. The reversal of 449529031156 is 651130925944.

It can be written as a sum of positive squares in 4 ways, for example, as 7011382756 + 442517648400 = 83734^2 + 665220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449529031153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9508216 + ... + 9555376.

Almost surely, 2^449529031156 is an apocalyptic number.

It is an amenable number.

449529031156 is a deficient number, since it is larger than the sum of its proper divisors (338507429524).

449529031156 is a wasteful number, since it uses less digits than its factorization.

449529031156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51235 (or 51233 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 449529031156 in words is "four hundred forty-nine billion, five hundred twenty-nine million, thirty-one thousand, one hundred fifty-six".