52723649240 has 32 divisors (see below), whose sum is σ = 119413841760. Its totient is φ = 20949792000.

The previous prime is 52723649221. The next prime is 52723649269. The reversal of 52723649240 is 4294632725.

It is a junction number, because it is equal to n+sod(n) for n = 52723649191 and 52723649200.

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, 4358501 + ... + 4370580.

It is an arithmetic number, because the mean of its divisors is an integer number (3731682555).

Almost surely, 2^52723649240 is an apocalyptic number.

It is an amenable number.

52723649240 is an abundant number, since it is smaller than the sum of its proper divisors (66690192520).

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

52723649240 is a wasteful number, since it uses less digits than its factorization.

52723649240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729243 (or 8729239 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 52723649240 in words is "fifty-two billion, seven hundred twenty-three million, six hundred forty-nine thousand, two hundred forty".