52020043040 has 96 divisors (see below), whose sum is σ = 141068148480. Its totient is φ = 17757471744.

The previous prime is 52020043039. The next prime is 52020043043. The reversal of 52020043040 is 4034002025.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (52020043043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155069 + ... + 357891.

It is an arithmetic number, because the mean of its divisors is an integer number (1469459880).

Almost surely, 2^52020043040 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 52020043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70534074240).

52020043040 is an abundant number, since it is smaller than the sum of its proper divisors (89048105440).

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

52020043040 is a wasteful number, since it uses less digits than its factorization.

52020043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203074 (or 203066 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 52020043040 its reverse (4034002025), we get a palindrome (56054045065).

The spelling of 52020043040 in words is "fifty-two billion, twenty million, forty-three thousand, forty".