42021443403 has 12 divisors (see below), whose sum is σ = 61529115960. Its totient is φ = 27630537696.

The previous prime is 42021443377. The next prime is 42021443413. The reversal of 42021443403 is 30434412024.

It is a happy number.

42021443403 is a `hidden beast` number, since 4 + 2 + 0 + 214 + 43 + 403 = 666.

42021443403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42021443403 - 2⁸ = 42021443147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42021443413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31979133 + ... + 31980446.

It is an arithmetic number, because the mean of its divisors is an integer number (5127426330).

Almost surely, 2^42021443403 is an apocalyptic number.

42021443403 is a deficient number, since it is larger than the sum of its proper divisors (19507672557).

42021443403 is a wasteful number, since it uses less digits than its factorization.

42021443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63959658 (or 63959655 counting only the distinct ones).

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

Adding to 42021443403 its reverse (30434412024), we get a palindrome (72455855427).

The spelling of 42021443403 in words is "forty-two billion, twenty-one million, four hundred forty-three thousand, four hundred three".