207440733228 has 96 divisors (see below), whose sum is σ = 508140864000. Its totient is φ = 65774338560.

The previous prime is 207440733223. The next prime is 207440733263. The reversal of 207440733228 is 822337044702.

207440733228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 207440733228.

It is not an unprimeable number, because it can be changed into a prime (207440733221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51613003 + ... + 51617021.

It is an arithmetic number, because the mean of its divisors is an integer number (5293134000).

Almost surely, 2^207440733228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207440733228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254070432000).

207440733228 is an abundant number, since it is smaller than the sum of its proper divisors (300700130772).

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

207440733228 is a wasteful number, since it uses less digits than its factorization.

207440733228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 207440733228 in words is "two hundred seven billion, four hundred forty million, seven hundred thirty-three thousand, two hundred twenty-eight".