229988597760 has 384 divisors, whose sum is σ = 839346066000. Its totient is φ = 58095304704.

The previous prime is 229988597753. The next prime is 229988597827. The reversal of 229988597760 is 67795889922.

229988597760 is a `hidden beast` number, since 2 + 29 + 9 + 8 + 8 + 597 + 7 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×229988597760² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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, 28012536 + ... + 28020744.

Almost surely, 2^229988597760 is an apocalyptic number.

229988597760 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 229988597760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419673033000).

229988597760 is an abundant number, since it is smaller than the sum of its proper divisors (609357468240).

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

229988597760 is an equidigital number, since it uses as much as digits as its factorization.

229988597760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 229988597760 in words is "two hundred twenty-nine billion, nine hundred eighty-eight million, five hundred ninety-seven thousand, seven hundred sixty".