53224231440 has 40 divisors (see below), whose sum is σ = 164995118208. Its totient is φ = 14193128320.

The previous prime is 53224231429. The next prime is 53224231447. The reversal of 53224231440 is 4413242235.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53224231398 and 53224231407.

It is not an unprimeable number, because it can be changed into a prime (53224231447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110883576 + ... + 110884055.

Almost surely, 2^53224231440 is an apocalyptic number.

It is an amenable number.

53224231440 is an abundant number, since it is smaller than the sum of its proper divisors (111770886768).

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

53224231440 is a wasteful number, since it uses less digits than its factorization.

53224231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221767647 (or 221767641 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 53224231440 its reverse (4413242235), we get a palindrome (57637473675).

The spelling of 53224231440 in words is "fifty-three billion, two hundred twenty-four million, two hundred thirty-one thousand, four hundred forty".