228560408557 has 12 divisors (see below), whose sum is σ = 247709643264. Its totient is φ = 210795358800.

The previous prime is 228560408537. The next prime is 228560408569. The reversal of 228560408557 is 755804065822.

It is not a de Polignac number, because 228560408557 - 2¹⁹ = 228559884269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228560408537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392983 + ... + 782020.

It is an arithmetic number, because the mean of its divisors is an integer number (20642470272).

Almost surely, 2^228560408557 is an apocalyptic number.

It is an amenable number.

228560408557 is a deficient number, since it is larger than the sum of its proper divisors (19149234707).

228560408557 is a wasteful number, since it uses less digits than its factorization.

228560408557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176180 (or 1176167 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 228560408557 in words is "two hundred twenty-eight billion, five hundred sixty million, four hundred eight thousand, five hundred fifty-seven".