1380563044 has 36 divisors (see below), whose sum is σ = 2836259580. Its totient is φ = 586232640.

The previous prime is 1380563039. The next prime is 1380563057. The reversal of 1380563044 is 4403650831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 373262400 + 1007300644 = 19320^2 + 31738^2 .

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 11 ways as a sum of consecutive naturals, for example, 10947 + ... + 53674.

Almost surely, 2^1380563044 is an apocalyptic number.

1380563044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1380563044 is an abundant number, since it is smaller than the sum of its proper divisors (1455696536).

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

1380563044 is a wasteful number, since it uses less digits than its factorization.

1380563044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64748 (or 64739 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1380563044 is about 37155.9287866688. The cubic root of 1380563044 is about 1113.4876757430.

The spelling of 1380563044 in words is "one billion, three hundred eighty million, five hundred sixty-three thousand, forty-four".