4002040332 has 24 divisors (see below), whose sum is σ = 10375660400. Its totient is φ = 1334013408.

The previous prime is 4002040331. The next prime is 4002040333. The reversal of 4002040332 is 2330402004.

It is an interprime number because it is at equal distance from previous prime (4002040331) and next prime (4002040333).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4002040331) 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, 18527857 + ... + 18528072.

Almost surely, 2^4002040332 is an apocalyptic number.

It is an amenable number.

4002040332 is an abundant number, since it is smaller than the sum of its proper divisors (6373620068).

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

4002040332 is a wasteful number, since it uses less digits than its factorization.

4002040332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37055942 (or 37055934 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4002040332 is about 63261.6813877089. The cubic root of 4002040332 is about 1587.6709081873.

Adding to 4002040332 its reverse (2330402004), we get a palindrome (6332442336).

The spelling of 4002040332 in words is "four billion, two million, forty thousand, three hundred thirty-two".