4189789879380 has 336 divisors, whose sum is σ = 15081086127744. Its totient is φ = 957365256960.

The previous prime is 4189789879369. The next prime is 4189789879477. The reversal of 4189789879380 is 839789879814.

It is a happy number.

4189789879380 is a `hidden beast` number, since 4 + 1 + 8 + 97 + 89 + 8 + 79 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 4189789879380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 581023975 + ... + 581031185.

It is an arithmetic number, because the mean of its divisors is an integer number (44884184904).

Almost surely, 2^{4189789879380} 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 4189789879380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7540543063872).

4189789879380 is an abundant number, since it is smaller than the sum of its proper divisors (10891296248364).

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

4189789879380 is a wasteful number, since it uses less digits than its factorization.

4189789879380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938 (or 12921 counting only the distinct ones).

The product of its (nonzero) digits is 1755758592, while the sum is 81.

The spelling of 4189789879380 in words is "four trillion, one hundred eighty-nine billion, seven hundred eighty-nine million, eight hundred seventy-nine thousand, three hundred eighty".