1380064563940 has 48 divisors (see below), whose sum is σ = 2991795932160. Its totient is φ = 534187808640.

The previous prime is 1380064563937. The next prime is 1380064564003. The reversal of 1380064563940 is 493654600831.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12807006 + ... + 12914314.

It is an arithmetic number, because the mean of its divisors is an integer number (62329081920).

Almost surely, 2^{1380064563940} is an apocalyptic number.

1380064563940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380064563940 is an abundant number, since it is smaller than the sum of its proper divisors (1611731368220).

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

1380064563940 is a wasteful number, since it uses less digits than its factorization.

1380064563940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128092 (or 128090 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 1380064563940 in words is "one trillion, three hundred eighty billion, sixty-four million, five hundred sixty-three thousand, nine hundred forty".