52305402240 has 2048 divisors, whose sum is σ = 250048512000. Its totient is φ = 10032906240.

The previous prime is 52305402181. The next prime is 52305402241. The reversal of 52305402240 is 4220450325.

It is a happy number.

52305402240 is a `hidden beast` number, since 5 + 230 + 5 + 402 + 24 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52305402241) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1413659502 + ... + 1413659538.

It is an arithmetic number, because the mean of its divisors is an integer number (122094000).

Almost surely, 2^52305402240 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 52305402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125024256000).

52305402240 is an abundant number, since it is smaller than the sum of its proper divisors (197743109760).

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

52305402240 is a wasteful number, since it uses less digits than its factorization.

52305402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 52305402240 its reverse (4220450325), we get a palindrome (56525852565).

The spelling of 52305402240 in words is "fifty-two billion, three hundred five million, four hundred two thousand, two hundred forty".