1330994784 has 192 divisors, whose sum is σ = 4136832000. Its totient is φ = 366778368.

The previous prime is 1330994773. The next prime is 1330994809. The reversal of 1330994784 is 4874990331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4947802 + ... + 4948070.

It is an arithmetic number, because the mean of its divisors is an integer number (21546000).

Almost surely, 2^1330994784 is an apocalyptic number.

1330994784 is a gapful number since it is divisible by the number (14) 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 1330994784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068416000).

1330994784 is an abundant number, since it is smaller than the sum of its proper divisors (2805837216).

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

1330994784 is a wasteful number, since it uses less digits than its factorization.

1330994784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 1330994784 is about 36482.8012082406. The cubic root of 1330994784 is about 1099.9985630835.

The spelling of 1330994784 in words is "one billion, three hundred thirty million, nine hundred ninety-four thousand, seven hundred eighty-four".