42432250 has 32 divisors (see below), whose sum is σ = 90784512. Its totient is φ = 14547600.

The previous prime is 42432223. The next prime is 42432259. The reversal of 42432250 is 5223424.

It is not an unprimeable number, because it can be changed into a prime (42432259) 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, 10374 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (2837016).

Almost surely, 2^42432250 is an apocalyptic number.

42432250 is an abundant number, since it is smaller than the sum of its proper divisors (48352262).

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

42432250 is a wasteful number, since it uses less digits than its factorization.

42432250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24271 (or 24261 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42432250 is about 6514.0041449173. The cubic root of 42432250 is about 348.7910671354.

Adding to 42432250 its reverse (5223424), we get a palindrome (47655674).

The spelling of 42432250 in words is "forty-two million, four hundred thirty-two thousand, two hundred fifty".