1441135720 has 32 divisors (see below), whose sum is σ = 3303740520. Its totient is φ = 565576960.

The previous prime is 1441135687. The next prime is 1441135733. The reversal of 1441135720 is 275311441.

It can be written as a sum of positive squares in 4 ways, for example, as 1284935716 + 156200004 = 35846^2 + 12498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337771 + ... + 342010.

Almost surely, 2^1441135720 is an apocalyptic number.

1441135720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441135720 is an abundant number, since it is smaller than the sum of its proper divisors (1862604800).

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

1441135720 is a wasteful number, since it uses less digits than its factorization.

1441135720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679845 (or 679841 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1441135720 is about 37962.2933975280. The cubic root of 1441135720 is about 1129.5400325985.

The spelling of 1441135720 in words is "one billion, four hundred forty-one million, one hundred thirty-five thousand, seven hundred twenty".