420266446 has 16 divisors (see below), whose sum is σ = 634741920. Its totient is φ = 208691200.

The previous prime is 420266437. The next prime is 420266447. The reversal of 420266446 is 644662024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420266447) 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 7 ways as a sum of consecutive naturals, for example, 205095 + ... + 207133.

It is an arithmetic number, because the mean of its divisors is an integer number (39671370).

Almost surely, 2^420266446 is an apocalyptic number.

420266446 is a deficient number, since it is larger than the sum of its proper divisors (214475474).

420266446 is a wasteful number, since it uses less digits than its factorization.

420266446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 420266446 is about 20500.4011180269. The cubic root of 420266446 is about 749.0455687447.

The spelling of 420266446 in words is "four hundred twenty million, two hundred sixty-six thousand, four hundred forty-six".