4026421431 has 12 divisors (see below), whose sum is σ = 5897857680. Its totient is φ = 2646473760.

The previous prime is 4026421417. The next prime is 4026421433. The reversal of 4026421431 is 1341246204.

It is a happy number.

4026421431 is a `hidden beast` number, since 4 + 0 + 2 + 642 + 14 + 3 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4026421431 is a prime.

It is a super-2 number, since 2×4026421431² = 32424139080032175522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4026421395 and 4026421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026421433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3149926 + ... + 3151203.

It is an arithmetic number, because the mean of its divisors is an integer number (491488140).

Almost surely, 2^4026421431 is an apocalyptic number.

4026421431 is a deficient number, since it is larger than the sum of its proper divisors (1871436249).

4026421431 is a wasteful number, since it uses less digits than its factorization.

4026421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301206 (or 6301203 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4026421431 is about 63454.0891590132. The cubic root of 4026421431 is about 1590.8885018645. Note that the first 3 decimals are identical.

Adding to 4026421431 its reverse (1341246204), we get a palindrome (5367667635).

The spelling of 4026421431 in words is "four billion, twenty-six million, four hundred twenty-one thousand, four hundred thirty-one".