3840685824 has 144 divisors (see below), whose sum is σ = 10532519424. Its totient is φ = 1241702400.

The previous prime is 3840685817. The next prime is 3840685837. The reversal of 3840685824 is 4285860483.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8910889 + ... + 8911319.

It is an arithmetic number, because the mean of its divisors is an integer number (73142496).

Almost surely, 2^3840685824 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 3840685824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5266259712).

3840685824 is an abundant number, since it is smaller than the sum of its proper divisors (6691833600).

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

3840685824 is a wasteful number, since it uses less digits than its factorization.

3840685824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The square root of 3840685824 is about 61973.2670108653. The cubic root of 3840685824 is about 1566.0402769661.

The spelling of 3840685824 in words is "three billion, eight hundred forty million, six hundred eighty-five thousand, eight hundred twenty-four".