420266938 has 32 divisors (see below), whose sum is σ = 800916480. Its totient is φ = 160894080.

The previous prime is 420266929. The next prime is 420266939. The reversal of 420266938 is 839662024.

It is a self number, because there is not a number n which added to its sum of digits gives 420266938.

It is not an unprimeable number, because it can be changed into a prime (420266939) 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, 31603 + ... + 42886.

It is an arithmetic number, because the mean of its divisors is an integer number (25028640).

Almost surely, 2^420266938 is an apocalyptic number.

420266938 is a deficient number, since it is larger than the sum of its proper divisors (380649542).

420266938 is a wasteful number, since it uses less digits than its factorization.

420266938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74542.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 420266938 is about 20500.4131177886. The cubic root of 420266938 is about 749.0458610436.

The spelling of 420266938 in words is "four hundred twenty million, two hundred sixty-six thousand, nine hundred thirty-eight".