1380433390 has 24 divisors (see below), whose sum is σ = 2890459512. Its totient is φ = 473291280.

The previous prime is 1380433367. The next prime is 1380433399. The reversal of 1380433390 is 933340831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380433399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408116 + ... + 1409095.

It is an arithmetic number, because the mean of its divisors is an integer number (120435813).

Almost surely, 2^1380433390 is an apocalyptic number.

1380433390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380433390 is an abundant number, since it is smaller than the sum of its proper divisors (1510026122).

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

1380433390 is a wasteful number, since it uses less digits than its factorization.

1380433390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817232 (or 2817225 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1380433390 is about 37154.1840174159. The cubic root of 1380433390 is about 1113.4528173444.

The spelling of 1380433390 in words is "one billion, three hundred eighty million, four hundred thirty-three thousand, three hundred ninety".