428163260 has 48 divisors (see below), whose sum is σ = 1055377344. Its totient is φ = 142829568.

The previous prime is 428163259. The next prime is 428163277. The reversal of 428163260 is 62361824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36149 + ... + 46508.

It is an arithmetic number, because the mean of its divisors is an integer number (21987028).

Almost surely, 2^428163260 is an apocalyptic number.

It is an amenable number.

428163260 is an abundant number, since it is smaller than the sum of its proper divisors (627214084).

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

428163260 is a wasteful number, since it uses less digits than its factorization.

428163260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82710 (or 82708 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 428163260 is about 20692.1062243552. The cubic root of 428163260 is about 753.7080135978.

The spelling of 428163260 in words is "four hundred twenty-eight million, one hundred sixty-three thousand, two hundred sixty".