1328468430 has 32 divisors (see below), whose sum is σ = 3193672608. Its totient is φ = 353664000.

The previous prime is 1328468399. The next prime is 1328468437. The reversal of 1328468430 is 348648231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328468437) 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, 18811 + ... + 54870.

It is an arithmetic number, because the mean of its divisors is an integer number (99802269).

Almost surely, 2^1328468430 is an apocalyptic number.

1328468430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328468430 is an abundant number, since it is smaller than the sum of its proper divisors (1865204178).

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

1328468430 is a wasteful number, since it uses less digits than its factorization.

1328468430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74292.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 1328468430 is about 36448.1608589514. The cubic root of 1328468430 is about 1099.3021551739.

The spelling of 1328468430 in words is "one billion, three hundred twenty-eight million, four hundred sixty-eight thousand, four hundred thirty".