4032421403 has 4 divisors (see below), whose sum is σ = 4269622680. Its totient is φ = 3795220128.

The previous prime is 4032421397. The next prime is 4032421423. The reversal of 4032421403 is 3041242304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4032421403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4032421423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118600613 + ... + 118600646.

It is an arithmetic number, because the mean of its divisors is an integer number (1067405670).

Almost surely, 2^4032421403 is an apocalyptic number.

4032421403 is a deficient number, since it is larger than the sum of its proper divisors (237201277).

4032421403 is a wasteful number, since it uses less digits than its factorization.

4032421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237201276.

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

The square root of 4032421403 is about 63501.3496155790. The cubic root of 4032421403 is about 1591.6783305207.

Adding to 4032421403 its reverse (3041242304), we get a palindrome (7073663707).

The spelling of 4032421403 in words is "four billion, thirty-two million, four hundred twenty-one thousand, four hundred three".