42951528 has 48 divisors (see below), whose sum is σ = 118310400. Its totient is φ = 14073120.

The previous prime is 42951509. The next prime is 42951529. The reversal of 42951528 is 82515924.

42951528 is a `hidden beast` number, since 42 + 95 + 1 + 528 = 666.

42951528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42951492 and 42951501.

It is not an unprimeable number, because it can be changed into a prime (42951529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808 + ... + 9303.

It is an arithmetic number, because the mean of its divisors is an integer number (2464800).

Almost surely, 2^42951528 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 42951528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59155200).

42951528 is an abundant number, since it is smaller than the sum of its proper divisors (75358872).

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

42951528 is a wasteful number, since it uses less digits than its factorization.

42951528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182 (or 10175 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 42951528 is about 6553.7415267922. The cubic root of 42951528 is about 350.2081156823.

The spelling of 42951528 in words is "forty-two million, nine hundred fifty-one thousand, five hundred twenty-eight".