1320441960 has 64 divisors (see below), whose sum is σ = 4133566080. Its totient is φ = 336807680.

The previous prime is 1320441959. The next prime is 1320441961. The reversal of 1320441960 is 691440231.

It is an interprime number because it is at equal distance from previous prime (1320441959) and next prime (1320441961).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1320441961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236451 + ... + 241970.

It is an arithmetic number, because the mean of its divisors is an integer number (64586970).

Almost surely, 2^1320441960 is an apocalyptic number.

1320441960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320441960 is an abundant number, since it is smaller than the sum of its proper divisors (2813124120).

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

1320441960 is a wasteful number, since it uses less digits than its factorization.

1320441960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478458 (or 478454 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1320441960 is about 36337.8860144615. The cubic root of 1320441960 is about 1097.0837243559.

The spelling of 1320441960 in words is "one billion, three hundred twenty million, four hundred forty-one thousand, nine hundred sixty".