42375240 has 48 divisors (see below), whose sum is σ = 137720700. Its totient is φ = 11299968.

The previous prime is 42375239. The next prime is 42375241. The reversal of 42375240 is 4257324.

It is an interprime number because it is at equal distance from previous prime (42375239) and next prime (42375241).

It can be written as a sum of positive squares in 2 ways, for example, as 41757444 + 617796 = 6462^2 + 786^2 .

It is not an unprimeable number, because it can be changed into a prime (42375241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58495 + ... + 59214.

Almost surely, 2^42375240 is an apocalyptic number.

42375240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42375240 is an abundant number, since it is smaller than the sum of its proper divisors (95345460).

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

42375240 is a wasteful number, since it uses less digits than its factorization.

42375240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117726 (or 117719 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42375240 is about 6509.6267174086. The cubic root of 42375240 is about 348.6347906341.

The spelling of 42375240 in words is "forty-two million, three hundred seventy-five thousand, two hundred forty".