444835121980 has 48 divisors (see below), whose sum is σ = 938826000000. Its totient is φ = 177045313536.

The previous prime is 444835121957. The next prime is 444835122007. The reversal of 444835121980 is 89121538444.

It is a super-2 number, since 2×444835121980² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 5932966 + ... + 6007474.

It is an arithmetic number, because the mean of its divisors is an integer number (19558875000).

Almost surely, 2^444835121980 is an apocalyptic number.

It is an amenable number.

444835121980 is an abundant number, since it is smaller than the sum of its proper divisors (493990878020).

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

444835121980 is a wasteful number, since it uses less digits than its factorization.

444835121980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76006 (or 76004 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 444835121980 in words is "four hundred forty-four billion, eight hundred thirty-five million, one hundred twenty-one thousand, nine hundred eighty".