229909527840 has 96 divisors (see below), whose sum is σ = 724297230720. Its totient is φ = 61302247424.

The previous prime is 229909527839. The next prime is 229909527853. The reversal of 229909527840 is 48725909922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×229909527840² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5285701 + ... + 5329019.

It is an arithmetic number, because the mean of its divisors is an integer number (7544762820).

Almost surely, 2^229909527840 is an apocalyptic number.

229909527840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229909527840 is an abundant number, since it is smaller than the sum of its proper divisors (494387702880).

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

229909527840 is a wasteful number, since it uses less digits than its factorization.

229909527840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54394 (or 54386 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 229909527840 in words is "two hundred twenty-nine billion, nine hundred nine million, five hundred twenty-seven thousand, eight hundred forty".