4391939552 has 288 divisors, whose sum is σ = 11953267200. Its totient is φ = 1541928960.

The previous prime is 4391939521. The next prime is 4391939567. The reversal of 4391939552 is 2559391934.

It is a self number, because there is not a number n which added to its sum of digits gives 4391939552.

It is a congruent number.

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, 22069949 + ... + 22070147.

It is an arithmetic number, because the mean of its divisors is an integer number (41504400).

Almost surely, 2^4391939552 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 4391939552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5976633600).

4391939552 is an abundant number, since it is smaller than the sum of its proper divisors (7561327648).

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

4391939552 is a wasteful number, since it uses less digits than its factorization.

4391939552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 285 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 50.

The square root of 4391939552 is about 66271.7100428229. The cubic root of 4391939552 is about 1637.6413088783.

The spelling of 4391939552 in words is "four billion, three hundred ninety-one million, nine hundred thirty-nine thousand, five hundred fifty-two".