1330396840 has 32 divisors (see below), whose sum is σ = 2997156960. Its totient is φ = 531489600.

The previous prime is 1330396817. The next prime is 1330396849. The reversal of 1330396840 is 486930331.

It is a self number, because there is not a number n which added to its sum of digits gives 1330396840.

It is not an unprimeable number, because it can be changed into a prime (1330396849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11935 + ... + 52945.

It is an arithmetic number, because the mean of its divisors is an integer number (93661155).

Almost surely, 2^1330396840 is an apocalyptic number.

1330396840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330396840 is an abundant number, since it is smaller than the sum of its proper divisors (1666760120).

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

1330396840 is a wasteful number, since it uses less digits than its factorization.

1330396840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41833 (or 41829 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1330396840 is about 36474.6054125333. The cubic root of 1330396840 is about 1099.8338151149.

The spelling of 1330396840 in words is "one billion, three hundred thirty million, three hundred ninety-six thousand, eight hundred forty".