240679220 has 18 divisors (see below), whose sum is σ = 505572102. Its totient is φ = 96243936.

The previous prime is 240679193. The next prime is 240679223. The reversal of 240679220 is 22976042.

240679220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 20394256 + 220284964 = 4516^2 + 14842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240679223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67646 + ... + 71114.

It is an arithmetic number, because the mean of its divisors is an integer number (28087339).

Almost surely, 2^240679220 is an apocalyptic number.

240679220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240679220 is an abundant number, since it is smaller than the sum of its proper divisors (264892882).

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

240679220 is an frugal number, since it uses more digits than its factorization.

240679220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 240679220 is about 15513.8396278935. The cubic root of 240679220 is about 622.0321974765.

The spelling of 240679220 in words is "two hundred forty million, six hundred seventy-nine thousand, two hundred twenty".