444435743980 has 48 divisors (see below), whose sum is σ = 949609614240. Its totient is φ = 174673594368.

The previous prime is 444435743959. The next prime is 444435743981. The reversal of 444435743980 is 89347534444.

It is a super-2 number, since 2×444435743980² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444435743981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286694 + ... + 2473426.

It is an arithmetic number, because the mean of its divisors is an integer number (19783533630).

Almost surely, 2^444435743980 is an apocalyptic number.

It is an amenable number.

444435743980 is an abundant number, since it is smaller than the sum of its proper divisors (505173870260).

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

444435743980 is a wasteful number, since it uses less digits than its factorization.

444435743980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188818 (or 188816 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 444435743980 in words is "four hundred forty-four billion, four hundred thirty-five million, seven hundred forty-three thousand, nine hundred eighty".