1399040069760 has 512 divisors, whose sum is σ = 5190862579200. Its totient is φ = 355442098176.

The previous prime is 1399040069753. The next prime is 1399040069789. The reversal of 1399040069760 is 679600409931.

1399040069760 is a `hidden beast` number, since 1 + 3 + 9 + 90 + 400 + 6 + 97 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1399040069697 and 1399040069706.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102135232 + ... + 102148928.

It is an arithmetic number, because the mean of its divisors is an integer number (10138403475).

Almost surely, 2^{1399040069760} is an apocalyptic number.

1399040069760 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 1399040069760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2595431289600).

1399040069760 is an abundant number, since it is smaller than the sum of its proper divisors (3791822509440).

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

1399040069760 is a wasteful number, since it uses less digits than its factorization.

1399040069760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005 (or 13987 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 1399040069760 in words is "one trillion, three hundred ninety-nine billion, forty million, sixty-nine thousand, seven hundred sixty".