227642431752 has 60 divisors (see below), whose sum is σ = 637643609295. Its totient is φ = 75876762096.

The previous prime is 227642431739. The next prime is 227642431771. The reversal of 227642431752 is 257134246722.

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.

227642431752 is a `hidden beast` number, since 227 + 64 + 2 + 4 + 317 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113821215876 + 113821215876 = 337374^2 + 337374^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337374.

It is a junction number, because it is equal to n+sod(n) for n = 227642431698 and 227642431707.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12136093 + ... + 12154835.

Almost surely, 2^227642431752 is an apocalyptic number.

It is an amenable number.

227642431752 is an abundant number, since it is smaller than the sum of its proper divisors (410001177543).

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

227642431752 is an frugal number, since it uses more digits than its factorization.

227642431752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37504 (or 18748 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 227642431752 in words is "two hundred twenty-seven billion, six hundred forty-two million, four hundred thirty-one thousand, seven hundred fifty-two".