42241628 has 24 divisors (see below), whose sum is σ = 86847600. Its totient is φ = 17723520.

The previous prime is 42241627. The next prime is 42241631. The reversal of 42241628 is 82614224.

It is a self number, because there is not a number n which added to its sum of digits gives 42241628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241627) 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 7 ways as a sum of consecutive naturals, for example, 36353 + ... + 37496.

It is an arithmetic number, because the mean of its divisors is an integer number (3618650).

Almost surely, 2^42241628 is an apocalyptic number.

It is an amenable number.

42241628 is an abundant number, since it is smaller than the sum of its proper divisors (44605972).

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

42241628 is a wasteful number, since it uses less digits than its factorization.

42241628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73877 (or 73875 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 42241628 is about 6499.3559680941. The cubic root of 42241628 is about 348.2679818081.

The spelling of 42241628 in words is "forty-two million, two hundred forty-one thousand, six hundred twenty-eight".