449940436386180 has 48 divisors (see below), whose sum is σ = 1259849211304320. Its totient is φ = 119982593567488.

The previous prime is 449940436386173. The next prime is 449940436386193. The reversal of 449940436386180 is 81683634049944.

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, 42816720 + ... + 52279559.

It is an arithmetic number, because the mean of its divisors is an integer number (26246858568840).

Almost surely, 2^{449940436386180} is an apocalyptic number.

It is an amenable number.

449940436386180 is an abundant number, since it is smaller than the sum of its proper divisors (809908774918140).

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

449940436386180 is a wasteful number, since it uses less digits than its factorization.

449940436386180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95175148 (or 95175146 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 69.

The spelling of 449940436386180 in words is "four hundred forty-nine trillion, nine hundred forty billion, four hundred thirty-six million, three hundred eighty-six thousand, one hundred eighty".