3991442024 has 32 divisors (see below), whose sum is σ = 7985784000. Its totient is φ = 1864778112.

The previous prime is 3991442023. The next prime is 3991442027. The reversal of 3991442024 is 4202441993.

3991442024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (3991442023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168764 + ... + 190955.

It is an arithmetic number, because the mean of its divisors is an integer number (249555750).

Almost surely, 2^3991442024 is an apocalyptic number.

It is an amenable number.

3991442024 is an abundant number, since it is smaller than the sum of its proper divisors (3994341976).

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

3991442024 is a wasteful number, since it uses less digits than its factorization.

3991442024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359817 (or 359813 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 3991442024 is about 63177.8602360036. The cubic root of 3991442024 is about 1586.2681653068.

The spelling of 3991442024 in words is "three billion, nine hundred ninety-one million, four hundred forty-two thousand, twenty-four".