428668152 has 48 divisors (see below), whose sum is σ = 1177959720. Its totient is φ = 129898560.

The previous prime is 428668151. The next prime is 428668157. The reversal of 428668152 is 251866824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428668151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70903 + ... + 76710.

Almost surely, 2^428668152 is an apocalyptic number.

It is an amenable number.

428668152 is an abundant number, since it is smaller than the sum of its proper divisors (749291568).

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

428668152 is a wasteful number, since it uses less digits than its factorization.

428668152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147644 (or 147629 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 428668152 is about 20704.3027412178. The cubic root of 428668152 is about 754.0041558261.

The spelling of 428668152 in words is "four hundred twenty-eight million, six hundred sixty-eight thousand, one hundred fifty-two".