228878895042 has 162 divisors, whose sum is σ = 586663867179. Its totient is φ = 64301973120.

The previous prime is 228878895041. The next prime is 228878895073. The reversal of 228878895042 is 240598878822.

It can be written as a sum of positive squares in 5 ways, for example, as 11556035001 + 217322860041 = 107499^2 + 466179^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338289.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (228878895041) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1264524192 + ... + 1264524372.

Almost surely, 2^228878895042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228878895042

228878895042 is an abundant number, since it is smaller than the sum of its proper divisors (357784972137).

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

228878895042 is an equidigital number, since it uses as much as digits as its factorization.

228878895042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 63.

The spelling of 228878895042 in words is "two hundred twenty-eight billion, eight hundred seventy-eight million, eight hundred ninety-five thousand, forty-two".