4003432004 has 24 divisors (see below), whose sum is σ = 8230833408. Its totient is φ = 1679761440.

The previous prime is 4003431953. The next prime is 4003432067. The reversal of 4003432004 is 4002343004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498932 + ... + 3500075.

It is an arithmetic number, because the mean of its divisors is an integer number (342951392).

Almost surely, 2^4003432004 is an apocalyptic number.

4003432004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4003432004 is an abundant number, since it is smaller than the sum of its proper divisors (4227401404).

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

4003432004 is a wasteful number, since it uses less digits than its factorization.

4003432004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999035 (or 6999033 counting only the distinct ones).

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

The square root of 4003432004 is about 63272.6797599090. The cubic root of 4003432004 is about 1587.8549194167.

Adding to 4003432004 its reverse (4002343004), we get a palindrome (8005775008).

The spelling of 4003432004 in words is "four billion, three million, four hundred thirty-two thousand, four".