444664242402 has 16 divisors (see below), whose sum is σ = 919994984640. Its totient is φ = 143110330832.

The previous prime is 444664242371. The next prime is 444664242403. The reversal of 444664242402 is 204242466444.

It is a super-2 number, since 2×444664242402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444664242403) 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, 1277770638 + ... + 1277770985.

It is an arithmetic number, because the mean of its divisors is an integer number (57499686540).

Almost surely, 2^444664242402 is an apocalyptic number.

444664242402 is an abundant number, since it is smaller than the sum of its proper divisors (475330742238).

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

444664242402 is a wasteful number, since it uses less digits than its factorization.

444664242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555541657.

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 444664242402 in words is "four hundred forty-four billion, six hundred sixty-four million, two hundred forty-two thousand, four hundred two".