52182726840 has 96 divisors (see below), whose sum is σ = 169883466480. Its totient is φ = 13891631616.

The previous prime is 52182726821. The next prime is 52182726847. The reversal of 52182726840 is 4862728125.

52182726840 is a `hidden beast` number, since 521 + 8 + 27 + 2 + 68 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52182726847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87852 + ... + 334788.

Almost surely, 2^52182726840 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 52182726840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84941733240).

52182726840 is an abundant number, since it is smaller than the sum of its proper divisors (117700739640).

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

52182726840 is a wasteful number, since it uses less digits than its factorization.

52182726840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247541 (or 247534 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 52182726840 in words is "fifty-two billion, one hundred eighty-two million, seven hundred twenty-six thousand, eight hundred forty".