42210854 has 12 divisors (see below), whose sum is σ = 73653804. Its totient is φ = 18090324.

The previous prime is 42210851. The next prime is 42210859. The reversal of 42210854 is 45801224.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215264 + ... + 215459.

It is an arithmetic number, because the mean of its divisors is an integer number (6137817).

Almost surely, 2^42210854 is an apocalyptic number.

42210854 is a deficient number, since it is larger than the sum of its proper divisors (31442950).

42210854 is a wasteful number, since it uses less digits than its factorization.

42210854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430739 (or 430732 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42210854 is about 6496.9880714066. The cubic root of 42210854 is about 348.1833875102.

The spelling of 42210854 in words is "forty-two million, two hundred ten thousand, eight hundred fifty-four".