428542088 has 36 divisors (see below), whose sum is σ = 871628085. Its totient is φ = 197437344.

The previous prime is 428542087. The next prime is 428542129. The reversal of 428542088 is 880245824.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 366416164 + 62125924 = 19142^2 + 7882^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14638.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428542087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 760895 + ... + 761457.

Almost surely, 2^428542088 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 428542088

428542088 is an abundant number, since it is smaller than the sum of its proper divisors (443085997).

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

428542088 is an equidigital number, since it uses as much as digits as its factorization.

428542088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 428542088 is about 20701.2581260174. The cubic root of 428542088 is about 753.9302353208.

The spelling of 428542088 in words is "four hundred twenty-eight million, five hundred forty-two thousand, eighty-eight".