228031252488 has 420 divisors, whose sum is σ = 713739716865. Its totient is φ = 68267152512.

The previous prime is 228031252453. The next prime is 228031252517. The reversal of 228031252488 is 884252130822.

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.

228031252488 is a `hidden beast` number, since 2 + 280 + 3 + 125 + 248 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 23403492324 + 204627760164 = 152982^2 + 452358^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337662.

It is a super-2 number, since 2×228031252488² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 6163006806 + ... + 6163006842.

Almost surely, 2^228031252488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228031252488

228031252488 is an abundant number, since it is smaller than the sum of its proper divisors (485708464377).

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

228031252488 is an frugal number, since it uses more digits than its factorization.

228031252488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 228031252488 in words is "two hundred twenty-eight billion, thirty-one million, two hundred fifty-two thousand, four hundred eighty-eight".