42528016 has 20 divisors (see below), whose sum is σ = 87245532. Its totient is φ = 20013056.

The previous prime is 42527993. The next prime is 42528019. The reversal of 42528016 is 61082524.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 30250000 = 3504^2 + 5500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42528019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77905 + ... + 78448.

Almost surely, 2^42528016 is an apocalyptic number.

It is an amenable number.

42528016 is an abundant number, since it is smaller than the sum of its proper divisors (44717516).

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

42528016 is a wasteful number, since it uses less digits than its factorization.

42528016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156378 (or 156372 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 42528016 is about 6521.3507803215. The cubic root of 42528016 is about 349.0532672942.

It can be divided in two parts, 425 and 28016, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 42528016 in words is "forty-two million, five hundred twenty-eight thousand, sixteen".