42131488 has 48 divisors (see below), whose sum is σ = 95606784. Its totient is φ = 17902080.

The previous prime is 42131483. The next prime is 42131489. The reversal of 42131488 is 88413124.

It is not an unprimeable number, because it can be changed into a prime (42131483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27708 + ... + 29188.

It is an arithmetic number, because the mean of its divisors is an integer number (1991808).

Almost surely, 2^42131488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42131488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47803392).

42131488 is an abundant number, since it is smaller than the sum of its proper divisors (53475296).

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

42131488 is a wasteful number, since it uses less digits than its factorization.

42131488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1617 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 42131488 is about 6490.8772904747. The cubic root of 42131488 is about 347.9650292952.

The spelling of 42131488 in words is "forty-two million, one hundred thirty-one thousand, four hundred eighty-eight".