1380564550 has 24 divisors (see below), whose sum is σ = 2569206096. Its totient is φ = 551934240.

The previous prime is 1380564533. The next prime is 1380564551. The reversal of 1380564550 is 554650831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380564551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105679 + ... + 118021.

It is an arithmetic number, because the mean of its divisors is an integer number (107050254).

Almost surely, 2^1380564550 is an apocalyptic number.

1380564550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380564550 is a deficient number, since it is larger than the sum of its proper divisors (1188641546).

1380564550 is a wasteful number, since it uses less digits than its factorization.

1380564550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592 (or 14587 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 1380564550 is about 37155.9490526080. The cubic root of 1380564550 is about 1113.4880806290.

The spelling of 1380564550 in words is "one billion, three hundred eighty million, five hundred sixty-four thousand, five hundred fifty".