1380808426 has 16 divisors (see below), whose sum is σ = 2106008640. Its totient is φ = 678857760.

The previous prime is 1380808423. The next prime is 1380808433. The reversal of 1380808426 is 6248080831.

It is not an unprimeable number, because it can be changed into a prime (1380808423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40990 + ... + 66646.

It is an arithmetic number, because the mean of its divisors is an integer number (131625540).

Almost surely, 2^1380808426 is an apocalyptic number.

1380808426 is a deficient number, since it is larger than the sum of its proper divisors (725200214).

1380808426 is a wasteful number, since it uses less digits than its factorization.

1380808426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26109.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1380808426 is about 37159.2306970960. The cubic root of 1380808426 is about 1113.5536424628.

The spelling of 1380808426 in words is "one billion, three hundred eighty million, eight hundred eight thousand, four hundred twenty-six".