52862977440 has 576 divisors, whose sum is σ = 228046081536. Its totient is φ = 10851065856.

The previous prime is 52862977423. The next prime is 52862977499. The reversal of 52862977440 is 4477926825.

52862977440 is a `hidden beast` number, since 5 + 2 + 8 + 629 + 7 + 7 + 4 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4843029 + ... + 4853931.

It is an arithmetic number, because the mean of its divisors is an integer number (395913336).

Almost surely, 2^52862977440 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 52862977440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114023040768).

52862977440 is an abundant number, since it is smaller than the sum of its proper divisors (175183104096).

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

52862977440 is a wasteful number, since it uses less digits than its factorization.

52862977440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10981 (or 10970 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 52862977440 in words is "fifty-two billion, eight hundred sixty-two million, nine hundred seventy-seven thousand, four hundred forty".