229686040 has 32 divisors (see below), whose sum is σ = 518827680. Its totient is φ = 91512832.

The previous prime is 229686029. The next prime is 229686103. The reversal of 229686040 is 40686922.

229686040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892 + ... + 21451.

It is an arithmetic number, because the mean of its divisors is an integer number (16213365).

Almost surely, 2^229686040 is an apocalyptic number.

229686040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229686040 is an abundant number, since it is smaller than the sum of its proper divisors (289141640).

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

229686040 is a wasteful number, since it uses less digits than its factorization.

229686040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611 (or 22607 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 229686040 is about 15155.3963986430. The cubic root of 229686040 is about 612.4136565780.

The spelling of 229686040 in words is "two hundred twenty-nine million, six hundred eighty-six thousand, forty".