4050404421 has 16 divisors (see below), whose sum is σ = 6173940864. Its totient is φ = 2313805824.

The previous prime is 4050404419. The next prime is 4050404437. The reversal of 4050404421 is 1244040504.

It is a happy number.

It is not a de Polignac number, because 4050404421 - 2¹ = 4050404419 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4050404391 and 4050404400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050404471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44701 + ... + 100493.

It is an arithmetic number, because the mean of its divisors is an integer number (385871304).

Almost surely, 2^4050404421 is an apocalyptic number.

It is an amenable number.

4050404421 is a deficient number, since it is larger than the sum of its proper divisors (2123536443).

4050404421 is a wasteful number, since it uses less digits than its factorization.

4050404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59260.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4050404421 is about 63642.7876589327. The cubic root of 4050404421 is about 1594.0409089760.

Adding to 4050404421 its reverse (1244040504), we get a palindrome (5294444925).

The spelling of 4050404421 in words is "four billion, fifty million, four hundred four thousand, four hundred twenty-one".