228871695042 has 40 divisors (see below), whose sum is σ = 513427218876. Its totient is φ = 76203527328.

The previous prime is 228871695001. The next prime is 228871695047. The reversal of 228871695042 is 240596178822.

228871695042 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 71 + 69 + 504 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207873076761 + 20998618281 = 455931^2 + 144909^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 228871695042.

It is not an unprimeable number, because it can be changed into a prime (228871695047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 663393 + ... + 947540.

Almost surely, 2^228871695042 is an apocalyptic number.

228871695042 is an abundant number, since it is smaller than the sum of its proper divisors (284555523834).

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

228871695042 is a wasteful number, since it uses less digits than its factorization.

228871695042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611824 (or 1611815 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 228871695042 in words is "two hundred twenty-eight billion, eight hundred seventy-one million, six hundred ninety-five thousand, forty-two".