228344091553508 has 72 divisors (see below), whose sum is σ = 470737478373120. Its totient is φ = 96620932961280.

The previous prime is 228344091553493. The next prime is 228344091553579. The reversal of 228344091553508 is 805355190443822.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885416516 + ... + 885674372.

It is an arithmetic number, because the mean of its divisors is an integer number (6538020532960).

Almost surely, 2^{228344091553508} is an apocalyptic number.

228344091553508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228344091553508 is an abundant number, since it is smaller than the sum of its proper divisors (242393386819612).

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

228344091553508 is a wasteful number, since it uses less digits than its factorization.

228344091553508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315145 (or 315136 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 228344091553508 in words is "two hundred twenty-eight trillion, three hundred forty-four billion, ninety-one million, five hundred fifty-three thousand, five hundred eight".