53202223440 has 160 divisors (see below), whose sum is σ = 183638246400. Its totient is φ = 14157365760.

The previous prime is 53202223421. The next prime is 53202223457. The reversal of 53202223440 is 4432220235.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008930 + ... + 1060350.

It is an arithmetic number, because the mean of its divisors is an integer number (1147739040).

Almost surely, 2^53202223440 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 53202223440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91819123200).

53202223440 is an abundant number, since it is smaller than the sum of its proper divisors (130436022960).

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

53202223440 is a wasteful number, since it uses less digits than its factorization.

53202223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51922 (or 51910 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 53202223440 its reverse (4432220235), we get a palindrome (57634443675).

The spelling of 53202223440 in words is "fifty-three billion, two hundred two million, two hundred twenty-three thousand, four hundred forty".