52748745840 has 240 divisors, whose sum is σ = 202580891136. Its totient is φ = 12049344000.

The previous prime is 52748745787. The next prime is 52748745853. The reversal of 52748745840 is 4854784725.

52748745840 is a `hidden beast` number, since 5 + 2 + 74 + 87 + 458 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14367205 + ... + 14370875.

Almost surely, 2^52748745840 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 52748745840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101290445568).

52748745840 is an abundant number, since it is smaller than the sum of its proper divisors (149832145296).

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

52748745840 is a wasteful number, since it uses less digits than its factorization.

52748745840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 54.

The spelling of 52748745840 in words is "fifty-two billion, seven hundred forty-eight million, seven hundred forty-five thousand, eight hundred forty".