444550044630666 has 32 divisors (see below), whose sum is σ = 960159513640320. Its totient is φ = 136403613428544.

The previous prime is 444550044630647. The next prime is 444550044630673. The reversal of 444550044630666 is 666036440055444.

It is a super-2 number, since 2×444550044630666² (a number of 30 digits) contains 22 as substring.

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, 7937798665 + ... + 7937854668.

It is an arithmetic number, because the mean of its divisors is an integer number (30004984801260).

Almost surely, 2^{444550044630666} is an apocalyptic number.

444550044630666 is an abundant number, since it is smaller than the sum of its proper divisors (515609469009654).

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

444550044630666 is a wasteful number, since it uses less digits than its factorization.

444550044630666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15875653710.

The product of its (nonzero) digits is 99532800, while the sum is 57.

The spelling of 444550044630666 in words is "four hundred forty-four trillion, five hundred fifty billion, forty-four million, six hundred thirty thousand, six hundred sixty-six".