42232492 has 12 divisors (see below), whose sum is σ = 73979136. Its totient is φ = 21095600.

The previous prime is 42232481. The next prime is 42232499. The reversal of 42232492 is 29423224.

It is a self number, because there is not a number n which added to its sum of digits gives 42232492.

It is not an unprimeable number, because it can be changed into a prime (42232499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 9190.

It is an arithmetic number, because the mean of its divisors is an integer number (6164928).

Almost surely, 2^42232492 is an apocalyptic number.

It is an amenable number.

42232492 is a deficient number, since it is larger than the sum of its proper divisors (31746644).

42232492 is a wasteful number, since it uses less digits than its factorization.

42232492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328 (or 10326 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 42232492 is about 6498.6530912182. The cubic root of 42232492 is about 348.2428722512.

It can be divided in two parts, 42232 and 492, that added together give a palindrome (42724).

The spelling of 42232492 in words is "forty-two million, two hundred thirty-two thousand, four hundred ninety-two".