3999119040000 has 2800 divisors, whose sum is σ = 17884499128320. Its totient is φ = 873400320000.

The previous prime is 3999119039989. The next prime is 3999119040001. The reversal of 3999119040000 is 409119993.

It is a tau number, because it is divible by the number of its divisors (2800).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999119040001) by changing a digit.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 50621759961 + ... + 50621760039.

Almost surely, 2^{3999119040000} is an apocalyptic number.

3999119040000 is a gapful number since it is divisible by the number (30) 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 3999119040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8942249564160).

3999119040000 is an abundant number, since it is smaller than the sum of its proper divisors (13885380088320).

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

3999119040000 is an frugal number, since it uses more digits than its factorization.

3999119040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 127 counting only the distinct ones).

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

The spelling of 3999119040000 in words is "three trillion, nine hundred ninety-nine billion, one hundred nineteen million, forty thousand".