1441643880 has 32 divisors (see below), whose sum is σ = 4324932000. Its totient is φ = 384438336.

The previous prime is 1441643837. The next prime is 1441643897. The reversal of 1441643880 is 883461441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6006730 + ... + 6006969.

It is an arithmetic number, because the mean of its divisors is an integer number (135154125).

Almost surely, 2^1441643880 is an apocalyptic number.

1441643880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441643880 is an abundant number, since it is smaller than the sum of its proper divisors (2883288120).

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

1441643880 is a wasteful number, since it uses less digits than its factorization.

1441643880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013713 (or 12013709 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1441643880 is about 37968.9857647001. The cubic root of 1441643880 is about 1129.6727796635.

The spelling of 1441643880 in words is "one billion, four hundred forty-one million, six hundred forty-three thousand, eight hundred eighty".