441551980 has 12 divisors (see below), whose sum is σ = 927259200. Its totient is φ = 176620784.

The previous prime is 441551947. The next prime is 441551989. The reversal of 441551980 is 89155144.

It is not an unprimeable number, because it can be changed into a prime (441551989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11038780 + ... + 11038819.

It is an arithmetic number, because the mean of its divisors is an integer number (77271600).

Almost surely, 2^441551980 is an apocalyptic number.

It is an amenable number.

441551980 is an abundant number, since it is smaller than the sum of its proper divisors (485707220).

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

441551980 is a wasteful number, since it uses less digits than its factorization.

441551980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22077608 (or 22077606 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 441551980 is about 21013.1382710913. The cubic root of 441551980 is about 761.4837012992.

The spelling of 441551980 in words is "four hundred forty-one million, five hundred fifty-one thousand, nine hundred eighty".