4000011421 has 16 divisors (see below), whose sum is σ = 4703269504. Its totient is φ = 3331113984.

The previous prime is 4000011409. The next prime is 4000011451. The reversal of 4000011421 is 1241100004.

4000011421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4000011421 - 2²³ = 3991622813 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 (4000011401) 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 15 ways as a sum of consecutive naturals, for example, 24180 + ... + 92653.

It is an arithmetic number, because the mean of its divisors is an integer number (293954344).

Almost surely, 2^4000011421 is an apocalyptic number.

It is an amenable number.

4000011421 is a deficient number, since it is larger than the sum of its proper divisors (703258083).

4000011421 is a wasteful number, since it uses less digits than its factorization.

4000011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116980.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4000011421 is about 63245.6434942360. The cubic root of 4000011421 is about 1587.4025627757.

Adding to 4000011421 its reverse (1241100004), we get a palindrome (5241111425).

The spelling of 4000011421 in words is "four billion, eleven thousand, four hundred twenty-one".