52015524040 has 128 divisors (see below), whose sum is σ = 127623600000. Its totient is φ = 19004461056.

The previous prime is 52015524031. The next prime is 52015524047. The reversal of 52015524040 is 4042551025.

It is a super-2 number, since 2×52015524040² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52015524047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22237191 + ... + 22239529.

It is an arithmetic number, because the mean of its divisors is an integer number (997059375).

Almost surely, 2^52015524040 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 52015524040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63811800000).

52015524040 is an abundant number, since it is smaller than the sum of its proper divisors (75608075960).

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

52015524040 is a wasteful number, since it uses less digits than its factorization.

52015524040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 52015524040 in words is "fifty-two billion, fifteen million, five hundred twenty-four thousand, forty".