420130456 has 16 divisors (see below), whose sum is σ = 788009040. Its totient is φ = 209994720.

The previous prime is 420130441. The next prime is 420130457. The reversal of 420130456 is 654031024.

It is a self number, because there is not a number n which added to its sum of digits gives 420130456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420130457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23461 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (49250565).

Almost surely, 2^420130456 is an apocalyptic number.

It is an amenable number.

420130456 is a deficient number, since it is larger than the sum of its proper divisors (367878584).

420130456 is a wasteful number, since it uses less digits than its factorization.

420130456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634 (or 17630 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 420130456 is about 20497.0840853035. The cubic root of 420130456 is about 748.9647678648.

The spelling of 420130456 in words is "four hundred twenty million, one hundred thirty thousand, four hundred fifty-six".