42590212 has 72 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 17188416.

The previous prime is 42590209. The next prime is 42590221. The reversal of 42590212 is 21209524.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335293 + ... + 335419.

It is an arithmetic number, because the mean of its divisors is an integer number (1276800).

Almost surely, 2^42590212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42590212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45964800).

42590212 is an abundant number, since it is smaller than the sum of its proper divisors (49339388).

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

42590212 is a wasteful number, since it uses less digits than its factorization.

42590212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42590212 is about 6526.1176820526. The cubic root of 42590212 is about 349.2233445308.

Adding to 42590212 its reverse (21209524), we get a palindrome (63799736).

The spelling of 42590212 in words is "forty-two million, five hundred ninety thousand, two hundred twelve".