42528188 has 12 divisors (see below), whose sum is σ = 74570832. Its totient is φ = 21222240.

The previous prime is 42528179. The next prime is 42528197. The reversal of 42528188 is 88182524.

It is an interprime number because it is at equal distance from previous prime (42528179) and next prime (42528197).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8120 + ... + 12287.

It is an arithmetic number, because the mean of its divisors is an integer number (6214236).

Almost surely, 2^42528188 is an apocalyptic number.

It is an amenable number.

42528188 is a deficient number, since it is larger than the sum of its proper divisors (32042644).

42528188 is a wasteful number, since it uses less digits than its factorization.

42528188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20932 (or 20930 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The square root of 42528188 is about 6521.3639677601. The cubic root of 42528188 is about 349.0537378630.

The spelling of 42528188 in words is "forty-two million, five hundred twenty-eight thousand, one hundred eighty-eight".