1328152380 has 48 divisors (see below), whose sum is σ = 3720837120. Its totient is φ = 353982528.

The previous prime is 1328152369. The next prime is 1328152409. The reversal of 1328152380 is 832518231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132381 + ... + 142059.

It is an arithmetic number, because the mean of its divisors is an integer number (77517440).

Almost surely, 2^1328152380 is an apocalyptic number.

1328152380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1328152380 is an abundant number, since it is smaller than the sum of its proper divisors (2392684740).

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

1328152380 is a wasteful number, since it uses less digits than its factorization.

1328152380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978 (or 11976 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1328152380 is about 36443.8249913480. The cubic root of 1328152380 is about 1099.2149715686.

The spelling of 1328152380 in words is "one billion, three hundred twenty-eight million, one hundred fifty-two thousand, three hundred eighty".