4002023432 has 64 divisors (see below), whose sum is σ = 8493292800. Its totient is φ = 1751178240.

The previous prime is 4002023429. The next prime is 4002023453. The reversal of 4002023432 is 2343202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934448 + ... + 938720.

It is an arithmetic number, because the mean of its divisors is an integer number (132707700).

Almost surely, 2^4002023432 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 4002023432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4246646400).

4002023432 is an abundant number, since it is smaller than the sum of its proper divisors (4491269368).

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

4002023432 is a wasteful number, since it uses less digits than its factorization.

4002023432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4002023432 is about 63261.5478153989. The cubic root of 4002023432 is about 1587.6686733542.

Adding to 4002023432 its reverse (2343202004), we get a palindrome (6345225436).

The spelling of 4002023432 in words is "four billion, two million, twenty-three thousand, four hundred thirty-two".