3942433920 has 128 divisors (see below), whose sum is σ = 12585119040. Its totient is φ = 1049759744.

The previous prime is 3942433889. The next prime is 3942433981. The reversal of 3942433920 is 293342493.

It is a tau number, because it is divible by the number of its divisors (128).

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, 1943947 + ... + 1945973.

Almost surely, 2^3942433920 is an apocalyptic number.

3942433920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3942433920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6292559520).

3942433920 is an abundant number, since it is smaller than the sum of its proper divisors (8642685120).

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

3942433920 is a wasteful number, since it uses less digits than its factorization.

3942433920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 3942433920 is about 62788.8040975459. The cubic root of 3942433920 is about 1579.7491884099.

The spelling of 3942433920 in words is "three billion, nine hundred forty-two million, four hundred thirty-three thousand, nine hundred twenty".