442444021299 has 24 divisors (see below), whose sum is σ = 734757354240. Its totient is φ = 251311225968.

The previous prime is 442444021291. The next prime is 442444021309. The reversal of 442444021299 is 992120444244.

442444021299 is a `hidden beast` number, since 4 + 424 + 4 + 4 + 0 + 212 + 9 + 9 = 666.

It is not a de Polignac number, because 442444021299 - 2³ = 442444021291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442444021291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21016189 + ... + 21037230.

It is an arithmetic number, because the mean of its divisors is an integer number (30614889760).

Almost surely, 2^442444021299 is an apocalyptic number.

442444021299 is a deficient number, since it is larger than the sum of its proper divisors (292313332941).

442444021299 is a wasteful number, since it uses less digits than its factorization.

442444021299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42053599 (or 42053596 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 442444021299 in words is "four hundred forty-two billion, four hundred forty-four million, twenty-one thousand, two hundred ninety-nine".