1380432808 has 16 divisors (see below), whose sum is σ = 2597866560. Its totient is φ = 687668400.

The previous prime is 1380432803. The next prime is 1380432811. The reversal of 1380432808 is 8082340831.

It is not an unprimeable number, because it can be changed into a prime (1380432803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316198 + ... + 320533.

It is an arithmetic number, because the mean of its divisors is an integer number (162366660).

Almost surely, 2^1380432808 is an apocalyptic number.

It is an amenable number.

1380432808 is a deficient number, since it is larger than the sum of its proper divisors (1217433752).

1380432808 is a wasteful number, since it uses less digits than its factorization.

1380432808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637008 (or 637004 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1380432808 is about 37154.1761851881. The cubic root of 1380432808 is about 1113.4526608647.

The spelling of 1380432808 in words is "one billion, three hundred eighty million, four hundred thirty-two thousand, eight hundred eight".