228286246040 has 32 divisors (see below), whose sum is σ = 520878483360. Its totient is φ = 90028377600.

The previous prime is 228286246031. The next prime is 228286246099. The reversal of 228286246040 is 40642682822.

It is a super-2 number, since 2×228286246040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228286245982 and 228286246000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40188401 + ... + 40194080.

It is an arithmetic number, because the mean of its divisors is an integer number (16277452605).

Almost surely, 2^228286246040 is an apocalyptic number.

228286246040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228286246040 is an abundant number, since it is smaller than the sum of its proper divisors (292592237320).

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

228286246040 is a wasteful number, since it uses less digits than its factorization.

228286246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80382563 (or 80382559 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 228286246040 in words is "two hundred twenty-eight billion, two hundred eighty-six million, two hundred forty-six thousand, forty".