52223140240 has 40 divisors (see below), whose sum is σ = 121640875200. Its totient is φ = 20851049856.

The previous prime is 52223140223. The next prime is 52223140241. The reversal of 52223140240 is 4204132225.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (52223140241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552940 + ... + 640459.

It is an arithmetic number, because the mean of its divisors is an integer number (3041021880).

Almost surely, 2^52223140240 is an apocalyptic number.

It is an amenable number.

52223140240 is an abundant number, since it is smaller than the sum of its proper divisors (69417734960).

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

52223140240 is a wasteful number, since it uses less digits than its factorization.

52223140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193959 (or 1193953 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 52223140240 its reverse (4204132225), we get a palindrome (56427272465).

The spelling of 52223140240 in words is "fifty-two billion, two hundred twenty-three million, one hundred forty thousand, two hundred forty".