1380288834 has 48 divisors (see below), whose sum is σ = 3173601600. Its totient is φ = 432625248.

The previous prime is 1380288799. The next prime is 1380288851. The reversal of 1380288834 is 4388820831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380288834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3829 + ... + 52680.

It is an arithmetic number, because the mean of its divisors is an integer number (66116700).

Almost surely, 2^1380288834 is an apocalyptic number.

1380288834 is an abundant number, since it is smaller than the sum of its proper divisors (1793312766).

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

1380288834 is a wasteful number, since it uses less digits than its factorization.

1380288834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56599 (or 56596 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1380288834 is about 37152.2386135748. The cubic root of 1380288834 is about 1113.4139498638.

The spelling of 1380288834 in words is "one billion, three hundred eighty million, two hundred eighty-eight thousand, eight hundred thirty-four".