42242936 has 8 divisors (see below), whose sum is σ = 79205520. Its totient is φ = 21121464.

The previous prime is 42242923. The next prime is 42242939. The reversal of 42242936 is 63924224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242939) 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 as a sum of consecutive naturals, namely, 2640176 + ... + 2640191.

It is an arithmetic number, because the mean of its divisors is an integer number (9900690).

Almost surely, 2^42242936 is an apocalyptic number.

It is an amenable number.

42242936 is a deficient number, since it is larger than the sum of its proper divisors (36962584).

42242936 is a wasteful number, since it uses less digits than its factorization.

42242936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280373 (or 5280369 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 42242936 is about 6499.4565926699. The cubic root of 42242936 is about 348.2715764440.

The spelling of 42242936 in words is "forty-two million, two hundred forty-two thousand, nine hundred thirty-six".