4040211421 has 4 divisors (see below), whose sum is σ = 4100513152. Its totient is φ = 3979909692.

The previous prime is 4040211403. The next prime is 4040211491. The reversal of 4040211421 is 1241120404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4040211421 - 2⁵ = 4040211389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30150765 + ... + 30150898.

It is an arithmetic number, because the mean of its divisors is an integer number (1025128288).

Almost surely, 2^4040211421 is an apocalyptic number.

It is an amenable number.

4040211421 is a deficient number, since it is larger than the sum of its proper divisors (60301731).

4040211421 is an equidigital number, since it uses as much as digits as its factorization.

4040211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60301730.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4040211421 is about 63562.6574412996. The cubic root of 4040211421 is about 1592.7026304565.

Adding to 4040211421 its reverse (1241120404), we get a palindrome (5281331825).

The spelling of 4040211421 in words is "four billion, forty million, two hundred eleven thousand, four hundred twenty-one".