420026268471 has 16 divisors (see below), whose sum is σ = 589558569600. Its totient is φ = 265258140768.

The previous prime is 420026268457. The next prime is 420026268517. The reversal of 420026268471 is 174862620024.

It is a happy number.

It is not a de Polignac number, because 420026268471 - 2⁶ = 420026268407 is a prime.

It is a super-3 number, since 3×420026268471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420026268421) 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, 420885 + ... + 1008561.

It is an arithmetic number, because the mean of its divisors is an integer number (36847410600).

Almost surely, 2^420026268471 is an apocalyptic number.

420026268471 is a deficient number, since it is larger than the sum of its proper divisors (169532301129).

420026268471 is a wasteful number, since it uses less digits than its factorization.

420026268471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600238.

The product of its (nonzero) digits is 258048, while the sum is 42.

Adding to 420026268471 its reverse (174862620024), we get a palindrome (594888888495).

The spelling of 420026268471 in words is "four hundred twenty billion, twenty-six million, two hundred sixty-eight thousand, four hundred seventy-one".