42259212 has 48 divisors (see below), whose sum is σ = 116010720. Its totient is φ = 13257216.

The previous prime is 42259193. The next prime is 42259223. The reversal of 42259212 is 21295224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9673 + ... + 13344.

It is an arithmetic number, because the mean of its divisors is an integer number (2416890).

Almost surely, 2^42259212 is an apocalyptic number.

It is an amenable number.

42259212 is an abundant number, since it is smaller than the sum of its proper divisors (73751508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42259212 is a wasteful number, since it uses less digits than its factorization.

42259212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23047 (or 23039 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42259212 is about 6500.7085767630. The cubic root of 42259212 is about 348.3162998216.

The spelling of 42259212 in words is "forty-two million, two hundred fifty-nine thousand, two hundred twelve".