428038160 has 40 divisors (see below), whose sum is σ = 1085662656. Its totient is φ = 155649920.

The previous prime is 428038153. The next prime is 428038181. The reversal of 428038160 is 61830824.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242324 + ... + 244083.

Almost surely, 2^428038160 is an apocalyptic number.

428038160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428038160 is an abundant number, since it is smaller than the sum of its proper divisors (657624496).

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

428038160 is a wasteful number, since it uses less digits than its factorization.

428038160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486431 (or 486425 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 428038160 is about 20689.0831116316. The cubic root of 428038160 is about 753.6346007466.

Adding to 428038160 its reverse (61830824), we get a palindrome (489868984).

The spelling of 428038160 in words is "four hundred twenty-eight million, thirty-eight thousand, one hundred sixty".