4026056421 has 16 divisors (see below), whose sum is σ = 5437411200. Its totient is φ = 2649470208.

The previous prime is 4026056393. The next prime is 4026056423. The reversal of 4026056421 is 1246506204.

It is not a de Polignac number, because 4026056421 - 2¹⁵ = 4026023653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026056423) 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 15 ways as a sum of consecutive naturals, for example, 152520 + ... + 176958.

It is an arithmetic number, because the mean of its divisors is an integer number (339838200).

Almost surely, 2^4026056421 is an apocalyptic number.

It is an amenable number.

4026056421 is a deficient number, since it is larger than the sum of its proper divisors (1411354779).

4026056421 is a wasteful number, since it uses less digits than its factorization.

4026056421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4026056421 is about 63451.2129198489. The cubic root of 4026056421 is about 1590.8404271022.

The spelling of 4026056421 in words is "four billion, twenty-six million, fifty-six thousand, four hundred twenty-one".