4032040403021 has 8 divisors (see below), whose sum is σ = 4095724906944. Its totient is φ = 3968547432640.

The previous prime is 4032040402993. The next prime is 4032040403047. The reversal of 4032040403021 is 1203040402304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4032040403021 - 2²⁶ = 4031973294157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032040402021) by changing a digit.

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, 47840951 + ... + 47925156.

It is an arithmetic number, because the mean of its divisors is an integer number (511965613368).

Almost surely, 2^{4032040403021} is an apocalyptic number.

It is an amenable number.

4032040403021 is a deficient number, since it is larger than the sum of its proper divisors (63684503923).

4032040403021 is an equidigital number, since it uses as much as digits as its factorization.

4032040403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95766771.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 4032040403021 its reverse (1203040402304), we get a palindrome (5235080805325).

The spelling of 4032040403021 in words is "four trillion, thirty-two billion, forty million, four hundred three thousand, twenty-one".