228956031432 has 60 divisors (see below), whose sum is σ = 641323002705. Its totient is φ = 76314616992.

The previous prime is 228956031391. The next prime is 228956031439. The reversal of 228956031432 is 234130659822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

228956031432 is a `hidden beast` number, since 2 + 2 + 8 + 9 + 5 + 603 + 1 + 4 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200673537156 + 28282494276 = 447966^2 + 168174^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338346.

It is not an unprimeable number, because it can be changed into a prime (228956031439) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12171058 + ... + 12189854.

Almost surely, 2^228956031432 is an apocalyptic number.

It is an amenable number.

228956031432 is an abundant number, since it is smaller than the sum of its proper divisors (412366971273).

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

228956031432 is an frugal number, since it uses more digits than its factorization.

228956031432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37612 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 228956031432 in words is "two hundred twenty-eight billion, nine hundred fifty-six million, thirty-one thousand, four hundred thirty-two".