42488238 has 16 divisors (see below), whose sum is σ = 91513296. Its totient is φ = 13073280.

The previous prime is 42488233. The next prime is 42488239. The reversal of 42488238 is 83288424.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 42488196 and 42488205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42488233) 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, 272283 + ... + 272438.

It is an arithmetic number, because the mean of its divisors is an integer number (5719581).

Almost surely, 2^42488238 is an apocalyptic number.

42488238 is an abundant number, since it is smaller than the sum of its proper divisors (49025058).

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

42488238 is a wasteful number, since it uses less digits than its factorization.

42488238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544739.

The product of its digits is 98304, while the sum is 39.

The square root of 42488238 is about 6518.3002385591. The cubic root of 42488238 is about 348.9444059414.

The spelling of 42488238 in words is "forty-two million, four hundred eighty-eight thousand, two hundred thirty-eight".