1380523340 has 24 divisors (see below), whose sum is σ = 3313256352. Its totient is φ = 473322240.

The previous prime is 1380523327. The next prime is 1380523363. The reversal of 1380523340 is 433250831.

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, 4930301 + ... + 4930580.

It is an arithmetic number, because the mean of its divisors is an integer number (138052348).

Almost surely, 2^1380523340 is an apocalyptic number.

1380523340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380523340 is an abundant number, since it is smaller than the sum of its proper divisors (1932733012).

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

1380523340 is a wasteful number, since it uses less digits than its factorization.

1380523340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860897 (or 9860895 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1380523340 is about 37155.3944939359. The cubic root of 1380523340 is about 1113.4770012725.

The spelling of 1380523340 in words is "one billion, three hundred eighty million, five hundred twenty-three thousand, three hundred forty".