42124442 has 8 divisors (see below), whose sum is σ = 64076832. Its totient is φ = 20765500.

The previous prime is 42124403. The next prime is 42124451. The reversal of 42124442 is 24442124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42124442² = 3548937227622728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148184 + ... + 148467.

It is an arithmetic number, because the mean of its divisors is an integer number (8009604).

Almost surely, 2^42124442 is an apocalyptic number.

42124442 is a deficient number, since it is larger than the sum of its proper divisors (21952390).

42124442 is a wasteful number, since it uses less digits than its factorization.

42124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296724.

The product of its digits is 2048, while the sum is 23.

The square root of 42124442 is about 6490.3345060174. The cubic root of 42124442 is about 347.9456305161.

Adding to 42124442 its reverse (24442124), we get a palindrome (66566566).

The spelling of 42124442 in words is "forty-two million, one hundred twenty-four thousand, four hundred forty-two".