52040400750 has 256 divisors, whose sum is σ = 157415731200. Its totient is φ = 12646108800.

The previous prime is 52040400701. The next prime is 52040400751. The reversal of 52040400750 is 5700404025.

52040400750 is a `hidden beast` number, since 5 + 204 + 0 + 400 + 7 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040400751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6928497 + ... + 6936003.

It is an arithmetic number, because the mean of its divisors is an integer number (614905200).

Almost surely, 2^52040400750 is an apocalyptic number.

52040400750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52040400750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78707865600).

52040400750 is an abundant number, since it is smaller than the sum of its proper divisors (105375330450).

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

52040400750 is a wasteful number, since it uses less digits than its factorization.

52040400750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7609 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

Adding to 52040400750 its reverse (5700404025), we get a palindrome (57740804775).

The spelling of 52040400750 in words is "fifty-two billion, forty million, four hundred thousand, seven hundred fifty".