228661936804 has 24 divisors (see below), whose sum is σ = 458634276800. Its totient is φ = 97717172256.

The previous prime is 228661936793. The next prime is 228661936807. The reversal of 228661936804 is 408639166822.

It is not an unprimeable number, because it can be changed into a prime (228661936807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11690082 + ... + 11709625.

Almost surely, 2^228661936804 is an apocalyptic number.

It is an amenable number.

228661936804 is an abundant number, since it is smaller than the sum of its proper divisors (229972339996).

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

228661936804 is a wasteful number, since it uses less digits than its factorization.

228661936804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23400067 (or 23400065 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 228661936804 in words is "two hundred twenty-eight billion, six hundred sixty-one million, nine hundred thirty-six thousand, eight hundred four".