52724248640 has 56 divisors (see below), whose sum is σ = 143485282752. Its totient is φ = 18076884480.

The previous prime is 52724248637. The next prime is 52724248699. The reversal of 52724248640 is 4684242725.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 52724248591 and 52724248600.

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, 11766566 + ... + 11771045.

It is an arithmetic number, because the mean of its divisors is an integer number (2562237192).

Almost surely, 2^52724248640 is an apocalyptic number.

It is an amenable number.

52724248640 is an abundant number, since it is smaller than the sum of its proper divisors (90761034112).

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

52724248640 is a wasteful number, since it uses less digits than its factorization.

52724248640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537635 (or 23537625 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 52724248640 in words is "fifty-two billion, seven hundred twenty-four million, two hundred forty-eight thousand, six hundred forty".