228492070840 has 32 divisors (see below), whose sum is σ = 560844174960. Its totient is φ = 83088025600.

The previous prime is 228492070789. The next prime is 228492070841. The reversal of 228492070840 is 48070294822.

It is a happy number.

228492070840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228492070841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259649641 + ... + 259650520.

Almost surely, 2^228492070840 is an apocalyptic number.

228492070840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228492070840 is an abundant number, since it is smaller than the sum of its proper divisors (332352104120).

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

228492070840 is a wasteful number, since it uses less digits than its factorization.

228492070840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519300183 (or 519300179 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 228492070840 in words is "two hundred twenty-eight billion, four hundred ninety-two million, seventy thousand, eight hundred forty".