1330434402 has 64 divisors (see below), whose sum is σ = 3040727040. Its totient is φ = 384137600.

The previous prime is 1330434383. The next prime is 1330434403. The reversal of 1330434402 is 2044340331.

It is a super-4 number, since 4×1330434402⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330434403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424999 + ... + 428117.

It is an arithmetic number, because the mean of its divisors is an integer number (47511360).

Almost surely, 2^1330434402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330434402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520363520).

1330434402 is an abundant number, since it is smaller than the sum of its proper divisors (1710292638).

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

1330434402 is a wasteful number, since it uses less digits than its factorization.

1330434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1330434402 is about 36475.1203150860. The cubic root of 1330434402 is about 1099.8441658032.

Adding to 1330434402 its reverse (2044340331), we get a palindrome (3374774733).

The spelling of 1330434402 in words is "one billion, three hundred thirty million, four hundred thirty-four thousand, four hundred two".