42888528 has 70 divisors (see below), whose sum is σ = 124621674. Its totient is φ = 14292288.

The previous prime is 42888499. The next prime is 42888541. The reversal of 42888528 is 82588824.

42888528 is a `hidden beast` number, since 42 + 8 + 88 + 528 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 2286144 = 6372^2 + 1512^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 9826 + ... + 13502.

Almost surely, 2^42888528 is an apocalyptic number.

42888528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42888528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62310837).

42888528 is an abundant number, since it is smaller than the sum of its proper divisors (81733146).

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

42888528 is an equidigital number, since it uses as much as digits as its factorization.

42888528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703 (or 3682 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 42888528 is about 6548.9333482637. The cubic root of 42888528 is about 350.0368070135.

The spelling of 42888528 in words is "forty-two million, eight hundred eighty-eight thousand, five hundred twenty-eight".