4390388783872 has 1152 divisors, whose sum is σ = 12342332620800. Its totient is φ = 1509856837632.

The previous prime is 4390388783821. The next prime is 4390388783887. The reversal of 4390388783872 is 2783878830934.

4390388783872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42625133773 + ... + 42625133875.

It is an arithmetic number, because the mean of its divisors is an integer number (10713830400).

Almost surely, 2^{4390388783872} 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 4390388783872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6171166310400).

4390388783872 is an abundant number, since it is smaller than the sum of its proper divisors (7951943836928).

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

4390388783872 is a wasteful number, since it uses less digits than its factorization.

4390388783872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 70.

The spelling of 4390388783872 in words is "four trillion, three hundred ninety billion, three hundred eighty-eight million, seven hundred eighty-three thousand, eight hundred seventy-two".