52302520233440 has 48 divisors (see below), whose sum is σ = 124838567016912. Its totient is φ = 20705327591424.

The previous prime is 52302520233377. The next prime is 52302520233443. The reversal of 52302520233440 is 4433202520325.

It is a self number, because there is not a number n which added to its sum of digits gives 52302520233440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52302520233443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684988354 + ... + 1685019393.

It is an arithmetic number, because the mean of its divisors is an integer number (2600803479519).

Almost surely, 2^{52302520233440} is an apocalyptic number.

It is an amenable number.

52302520233440 is an abundant number, since it is smaller than the sum of its proper divisors (72536046783472).

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

52302520233440 is a wasteful number, since it uses less digits than its factorization.

52302520233440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370007859 (or 3370007851 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 52302520233440 its reverse (4433202520325), we get a palindrome (56735722753765).

The spelling of 52302520233440 in words is "fifty-two trillion, three hundred two billion, five hundred twenty million, two hundred thirty-three thousand, four hundred forty".