1330740240 has 80 divisors (see below), whose sum is σ = 4342430400. Its totient is φ = 336185856.

The previous prime is 1330740223. The next prime is 1330740241. The reversal of 1330740240 is 420470331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1330740240.

It is not an unprimeable number, because it can be changed into a prime (1330740241) 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, 141355 + ... + 150474.

It is an arithmetic number, because the mean of its divisors is an integer number (54280380).

Almost surely, 2^1330740240 is an apocalyptic number.

1330740240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330740240 is an abundant number, since it is smaller than the sum of its proper divisors (3011690160).

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

1330740240 is a wasteful number, since it uses less digits than its factorization.

1330740240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291864 (or 291858 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 1330740240 is about 36479.3124935216. The cubic root of 1330740240 is about 1099.9284361156.

The spelling of 1330740240 in words is "one billion, three hundred thirty million, seven hundred forty thousand, two hundred forty".