42951328 has 24 divisors (see below), whose sum is σ = 96640992. Its totient is φ = 18407616.

The previous prime is 42951317. The next prime is 42951329. The reversal of 42951328 is 82315924.

It is a junction number, because it is equal to n+sod(n) for n = 42951293 and 42951302.

It is not an unprimeable number, because it can be changed into a prime (42951329) 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 3 ways as a sum of consecutive naturals, for example, 95650 + ... + 96097.

It is an arithmetic number, because the mean of its divisors is an integer number (4026708).

Almost surely, 2^42951328 is an apocalyptic number.

It is an amenable number.

42951328 is an abundant number, since it is smaller than the sum of its proper divisors (53689664).

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

42951328 is a wasteful number, since it uses less digits than its factorization.

42951328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191764 (or 191756 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 42951328 is about 6553.7262683148. The cubic root of 42951328 is about 350.2075721104.

The spelling of 42951328 in words is "forty-two million, nine hundred fifty-one thousand, three hundred twenty-eight".