4208159819820 has 192 divisors, whose sum is σ = 13532757557760. Its totient is φ = 966309120000.

The previous prime is 4208159819819. The next prime is 4208159819869. The reversal of 4208159819820 is 289189518024.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87768574 + ... + 87816506.

It is an arithmetic number, because the mean of its divisors is an integer number (70483112280).

Almost surely, 2^{4208159819820} 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 4208159819820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6766378778880).

4208159819820 is an abundant number, since it is smaller than the sum of its proper divisors (9324597737940).

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

4208159819820 is a wasteful number, since it uses less digits than its factorization.

4208159819820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54976 (or 54974 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 57.

The spelling of 4208159819820 in words is "four trillion, two hundred eight billion, one hundred fifty-nine million, eight hundred nineteen thousand, eight hundred twenty".