229540779072 has 168 divisors, whose sum is σ = 741731104800. Its totient is φ = 69557748480.

The previous prime is 229540779071. The next prime is 229540779077. The reversal of 229540779072 is 270977045922.

It is a happy number.

229540779072 is a `hidden beast` number, since 2 + 2 + 9 + 540 + 7 + 7 + 90 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (229540779071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339822 + ... + 757997.

It is an arithmetic number, because the mean of its divisors is an integer number (4415066100).

Almost surely, 2^229540779072 is an apocalyptic number.

229540779072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

229540779072 is an abundant number, since it is smaller than the sum of its proper divisors (512190325728).

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

229540779072 is a wasteful number, since it uses less digits than its factorization.

229540779072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097862 (or 1097835 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 229540779072 in words is "two hundred twenty-nine billion, five hundred forty million, seven hundred seventy-nine thousand, seventy-two".