4004021232 has 60 divisors (see below), whose sum is σ = 11263837104. Its totient is φ = 1327749120.

The previous prime is 4004021209. The next prime is 4004021269. The reversal of 4004021232 is 2321204004.

4004021232 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 (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44244 + ... + 99827.

Almost surely, 2^4004021232 is an apocalyptic number.

It is an amenable number.

4004021232 is an abundant number, since it is smaller than the sum of its proper divisors (7259815872).

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

4004021232 is a wasteful number, since it uses less digits than its factorization.

4004021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144278 (or 144269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4004021232 is about 63277.3358478373. The cubic root of 4004021232 is about 1587.9328161380.

Adding to 4004021232 its reverse (2321204004), we get a palindrome (6325225236).

The spelling of 4004021232 in words is "four billion, four million, twenty-one thousand, two hundred thirty-two".