1380642032 has 60 divisors (see below), whose sum is σ = 3394633176. Its totient is φ = 537909120.

The previous prime is 1380642017. The next prime is 1380642037. The reversal of 1380642032 is 2302460831.

It is a junction number, because it is equal to n+sod(n) for n = 1380641986 and 1380642004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380642037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71423 + ... + 88670.

Almost surely, 2^1380642032 is an apocalyptic number.

It is an amenable number.

1380642032 is an abundant number, since it is smaller than the sum of its proper divisors (2013991144).

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

1380642032 is a wasteful number, since it uses less digits than its factorization.

1380642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160126 (or 160113 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1380642032 is about 37156.9916973912. The cubic root of 1380642032 is about 1113.5089111580.

The spelling of 1380642032 in words is "one billion, three hundred eighty million, six hundred forty-two thousand, thirty-two".