1328451376 has 40 divisors (see below), whose sum is σ = 2956551840. Its totient is φ = 566436864.

The previous prime is 1328451359. The next prime is 1328451379. The reversal of 1328451376 is 6731548231.

It is not an unprimeable number, because it can be changed into a prime (1328451379) 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, 8041 + ... + 52168.

It is an arithmetic number, because the mean of its divisors is an integer number (73913796).

Almost surely, 2^1328451376 is an apocalyptic number.

1328451376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1328451376 is an abundant number, since it is smaller than the sum of its proper divisors (1628100464).

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

1328451376 is a wasteful number, since it uses less digits than its factorization.

1328451376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60421 (or 60415 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 1328451376 is about 36447.9269094965. The cubic root of 1328451376 is about 1099.2974511156.

The spelling of 1328451376 in words is "one billion, three hundred twenty-eight million, four hundred fifty-one thousand, three hundred seventy-six".