1399312104960 has 1280 divisors, whose sum is σ = 5915635089408. Its totient is φ = 273648844800.

The previous prime is 1399312104959. The next prime is 1399312104989. The reversal of 1399312104960 is 694012139931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 678288889 + ... + 678290951.

Almost surely, 2^{1399312104960} is an apocalyptic number.

1399312104960 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 1399312104960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957817544704).

1399312104960 is an abundant number, since it is smaller than the sum of its proper divisors (4516322984448).

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

1399312104960 is a wasteful number, since it uses less digits than its factorization.

1399312104960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 1399312104960 in words is "one trillion, three hundred ninety-nine billion, three hundred twelve million, one hundred four thousand, nine hundred sixty".