228370901137500 has 1152 divisors, whose sum is σ = 801342310809600. Its totient is φ = 49995792000000.

The previous prime is 228370901137487. The next prime is 228370901137517. The reversal of 228370901137500 is 5731109073822.

It is a self number, because there is not a number n which added to its sum of digits gives 228370901137500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 16278480486 + ... + 16278494514.

It is an arithmetic number, because the mean of its divisors is an integer number (695609644800).

Almost surely, 2^{228370901137500} is an apocalyptic number.

228370901137500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228370901137500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400671155404800).

228370901137500 is an abundant number, since it is smaller than the sum of its proper divisors (572971409672100).

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

228370901137500 is a wasteful number, since it uses less digits than its factorization.

228370901137500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14189 (or 14167 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 228370901137500 in words is "two hundred twenty-eight trillion, three hundred seventy billion, nine hundred one million, one hundred thirty-seven thousand, five hundred".