1441566720 has 520 divisors, whose sum is σ = 5708799360. Its totient is φ = 345047040.

The previous prime is 1441566691. The next prime is 1441566733. The reversal of 1441566720 is 276651441.

It is a super-2 number, since 2×1441566720² = 4156229216423116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18247641 + ... + 18247719.

Almost surely, 2^1441566720 is an apocalyptic number.

1441566720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1441566720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854399680).

1441566720 is an abundant number, since it is smaller than the sum of its proper divisors (4267232640).

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

1441566720 is an equidigital number, since it uses as much as digits as its factorization.

1441566720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1441566720 is about 37967.9696586478. The cubic root of 1441566720 is about 1129.6526251006.

The spelling of 1441566720 in words is "one billion, four hundred forty-one million, five hundred sixty-six thousand, seven hundred twenty".