1380550838 has 16 divisors (see below), whose sum is σ = 2167741440. Its totient is φ = 658597800.

The previous prime is 1380550813. The next prime is 1380550861. The reversal of 1380550838 is 8380550831.

It is a junction number, because it is equal to n+sod(n) for n = 1380550795 and 1380550804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152408 + ... + 161211.

It is an arithmetic number, because the mean of its divisors is an integer number (135483840).

Almost surely, 2^1380550838 is an apocalyptic number.

1380550838 is a deficient number, since it is larger than the sum of its proper divisors (787190602).

1380550838 is a wasteful number, since it uses less digits than its factorization.

1380550838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313723.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1380550838 is about 37155.7645325729. The cubic root of 1380550838 is about 1113.4843941663.

The spelling of 1380550838 in words is "one billion, three hundred eighty million, five hundred fifty thousand, eight hundred thirty-eight".