428142204 has 72 divisors (see below), whose sum is σ = 1262133600. Its totient is φ = 122322816.

The previous prime is 428142199. The next prime is 428142227. The reversal of 428142204 is 402241824.

428142204 is a `hidden beast` number, since 428 + 14 + 220 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4989 + ... + 29684.

Almost surely, 2^428142204 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 428142204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631066800).

428142204 is an abundant number, since it is smaller than the sum of its proper divisors (833991396).

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

428142204 is a wasteful number, since it uses less digits than its factorization.

428142204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34704 (or 34685 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 428142204 is about 20691.5974250419. The cubic root of 428142204 is about 753.6956582359.

The spelling of 428142204 in words is "four hundred twenty-eight million, one hundred forty-two thousand, two hundred four".