3999825193776 has 240 divisors, whose sum is σ = 11219145143040. Its totient is φ = 1227333980160.

The previous prime is 3999825193757. The next prime is 3999825193817. The reversal of 3999825193776 is 6773915289993.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151455165 + ... + 151481571.

It is an arithmetic number, because the mean of its divisors is an integer number (46746438096).

Almost surely, 2^{3999825193776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3999825193776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5609572571520).

3999825193776 is an abundant number, since it is smaller than the sum of its proper divisors (7219319949264).

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

3999825193776 is a wasteful number, since it uses less digits than its factorization.

3999825193776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26692 (or 26669 counting only the distinct ones).

The product of its digits is 1388832480, while the sum is 78.

The spelling of 3999825193776 in words is "three trillion, nine hundred ninety-nine billion, eight hundred twenty-five million, one hundred ninety-three thousand, seven hundred seventy-six".