4033404024021 has 16 divisors (see below), whose sum is σ = 5977056465600. Its totient is φ = 2688196622544.

The previous prime is 4033404024019. The next prime is 4033404024101. The reversal of 4033404024021 is 1204204043304.

It is a happy number.

4033404024021 is a `hidden beast` number, since 40 + 3 + 340 + 40 + 240 + 2 + 1 = 666.

It is not a de Polignac number, because 4033404024021 - 2¹ = 4033404024019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033404024121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20438691 + ... + 20635088.

It is an arithmetic number, because the mean of its divisors is an integer number (373566029100).

Almost surely, 2^{4033404024021} is an apocalyptic number.

It is an amenable number.

4033404024021 is a deficient number, since it is larger than the sum of its proper divisors (1943652441579).

4033404024021 is a wasteful number, since it uses less digits than its factorization.

4033404024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41077425 (or 41077419 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4033404024021 its reverse (1204204043304), we get a palindrome (5237608067325).

The spelling of 4033404024021 in words is "four trillion, thirty-three billion, four hundred four million, twenty-four thousand, twenty-one".