4033402004421 has 8 divisors (see below), whose sum is σ = 5975410376960. Its totient is φ = 2688934669596.

The previous prime is 4033402004407. The next prime is 4033402004441. The reversal of 4033402004421 is 1244002043304.

It is a happy number.

4033402004421 is a `hidden beast` number, since 4 + 0 + 3 + 34 + 0 + 200 + 4 + 421 = 666.

It is not a de Polignac number, because 4033402004421 - 2¹⁷ = 4033401873349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 149385259423 = 4033402004421 / (4 + 0 + 3 + 3 + 4 + 0 + 2 + 0 + 0 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033402004441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74692629685 + ... + 74692629738.

It is an arithmetic number, because the mean of its divisors is an integer number (746926297120).

Almost surely, 2^{4033402004421} is an apocalyptic number.

It is an amenable number.

4033402004421 is a deficient number, since it is larger than the sum of its proper divisors (1942008372539).

4033402004421 is a wasteful number, since it uses less digits than its factorization.

4033402004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149385259432 (or 149385259426 counting only the distinct ones).

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

Adding to 4033402004421 its reverse (1244002043304), we get a palindrome (5277404047725).

The spelling of 4033402004421 in words is "four trillion, thirty-three billion, four hundred two million, four thousand, four hundred twenty-one".