420026453 has 12 divisors (see below), whose sum is σ = 527637600. Its totient is φ = 327292680.

The previous prime is 420026443. The next prime is 420026473. The reversal of 420026453 is 354620024.

It is not a de Polignac number, because 420026453 - 2⁶ = 420026389 is a prime.

It is a super-2 number, since 2×420026453² = 352844442439522418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420026413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247103 + ... + 248796.

It is an arithmetic number, because the mean of its divisors is an integer number (43969800).

Almost surely, 2^420026453 is an apocalyptic number.

It is an amenable number.

420026453 is a deficient number, since it is larger than the sum of its proper divisors (107611147).

420026453 is a wasteful number, since it uses less digits than its factorization.

420026453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495928 (or 495917 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 420026453 is about 20494.5469088731. The cubic root of 420026453 is about 748.9029608633.

Adding to 420026453 its reverse (354620024), we get a palindrome (774646477).

The spelling of 420026453 in words is "four hundred twenty million, twenty-six thousand, four hundred fifty-three".