399229000038 has 192 divisors, whose sum is σ = 978945177600. Its totient is φ = 116523360000.

The previous prime is 399228999971. The next prime is 399229000063. The reversal of 399229000038 is 830000922993.

399229000038 is a `hidden beast` number, since 399 + 229 + 0 + 0 + 0 + 0 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 399228999957 and 399229000002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 531596163 + ... + 531596913.

It is an arithmetic number, because the mean of its divisors is an integer number (5098672800).

Almost surely, 2^399229000038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399229000038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489472588800).

399229000038 is an abundant number, since it is smaller than the sum of its proper divisors (579716177562).

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

399229000038 is a wasteful number, since it uses less digits than its factorization.

399229000038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 399229000038 in words is "three hundred ninety-nine billion, two hundred twenty-nine million, thirty-eight", and thus it is an aban number.