42442392 has 16 divisors (see below), whose sum is σ = 106106040. Its totient is φ = 14147456.

The previous prime is 42442391. The next prime is 42442403. The reversal of 42442392 is 29324424.

42442392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884193 + ... + 884240.

Almost surely, 2^42442392 is an apocalyptic number.

It is an amenable number.

42442392 is an abundant number, since it is smaller than the sum of its proper divisors (63663648).

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

42442392 is a wasteful number, since it uses less digits than its factorization.

42442392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768442 (or 1768438 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 42442392 is about 6514.7825750366. The cubic root of 42442392 is about 348.8188538402.

It can be divided in two parts, 4244239 and 2, that added together give a triangular number (4244241 = T₂₉₁₃).

The spelling of 42442392 in words is "forty-two million, four hundred forty-two thousand, three hundred ninety-two".