1380799892640 has 768 divisors, whose sum is σ = 5364817920000. Its totient is φ = 291490762752.

The previous prime is 1380799892627. The next prime is 1380799892653. The reversal of 1380799892640 is 462989970831.

It is an interprime number because it is at equal distance from previous prime (1380799892627) and next prime (1380799892653).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 921146611 + ... + 921148109.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440000).

Almost surely, 2^{1380799892640} is an apocalyptic number.

1380799892640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380799892640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682408960000).

1380799892640 is an abundant number, since it is smaller than the sum of its proper divisors (3984018027360).

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

1380799892640 is a wasteful number, since it uses less digits than its factorization.

1380799892640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 1380799892640 in words is "one trillion, three hundred eighty billion, seven hundred ninety-nine million, eight hundred ninety-two thousand, six hundred forty".