42403024221 has 32 divisors (see below), whose sum is σ = 60432307200. Its totient is φ = 26387773440.

The previous prime is 42403024211. The next prime is 42403024243. The reversal of 42403024221 is 12242030424.

It is not a de Polignac number, because 42403024221 - 2¹⁷ = 42402893149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42403024191 and 42403024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403024201) 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 31 ways as a sum of consecutive naturals, for example, 2983885 + ... + 2998061.

It is an arithmetic number, because the mean of its divisors is an integer number (1888509600).

Almost surely, 2^42403024221 is an apocalyptic number.

It is an amenable number.

42403024221 is a deficient number, since it is larger than the sum of its proper divisors (18029282979).

42403024221 is a wasteful number, since it uses less digits than its factorization.

42403024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15349.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42403024221 its reverse (12242030424), we get a palindrome (54645054645).

The spelling of 42403024221 in words is "forty-two billion, four hundred three million, twenty-four thousand, two hundred twenty-one".