1330440402 has 16 divisors (see below), whose sum is σ = 2664123840. Its totient is φ = 442939632.

The previous prime is 1330440379. The next prime is 1330440407. The reversal of 1330440402 is 2040440331.

It is not an unprimeable number, because it can be changed into a prime (1330440407) 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, 129777 + ... + 139652.

It is an arithmetic number, because the mean of its divisors is an integer number (166507740).

Almost surely, 2^1330440402 is an apocalyptic number.

1330440402 is an abundant number, since it is smaller than the sum of its proper divisors (1333683438).

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

1330440402 is a wasteful number, since it uses less digits than its factorization.

1330440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270257.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1330440402 is about 36475.2025628371. The cubic root of 1330440402 is about 1099.8458191617.

Adding to 1330440402 its reverse (2040440331), we get a palindrome (3370880733).

The spelling of 1330440402 in words is "one billion, three hundred thirty million, four hundred forty thousand, four hundred two".