420554768 has 20 divisors (see below), whose sum is σ = 822739008. Its totient is φ = 208235040.

The previous prime is 420554741. The next prime is 420554803. The reversal of 420554768 is 867455024.

It is a super-3 number, since 3×420554768³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125948 + ... + 129243.

Almost surely, 2^420554768 is an apocalyptic number.

It is an amenable number.

420554768 is a deficient number, since it is larger than the sum of its proper divisors (402184240).

420554768 is a wasteful number, since it uses less digits than its factorization.

420554768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255302 (or 255296 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 420554768 is about 20507.4320186609. The cubic root of 420554768 is about 749.2168227588.

The spelling of 420554768 in words is "four hundred twenty million, five hundred fifty-four thousand, seven hundred sixty-eight".