1399119321600 has 2160 divisors, whose sum is σ = 6779839562496. Its totient is φ = 268119244800.

The previous prime is 1399119321559. The next prime is 1399119321617. The reversal of 1399119321600 is 61239119931.

1399119321600 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 1 + 1 + 9 + 32 + 1 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1268466649 + ... + 1268467751.

Almost surely, 2^{1399119321600} is an apocalyptic number.

1399119321600 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 1399119321600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389919781248).

1399119321600 is an abundant number, since it is smaller than the sum of its proper divisors (5380720240896).

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

1399119321600 is a wasteful number, since it uses less digits than its factorization.

1399119321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 1399119321600 in words is "one trillion, three hundred ninety-nine billion, one hundred nineteen million, three hundred twenty-one thousand, six hundred".