53440132422 has 32 divisors (see below), whose sum is σ = 108028668384. Its totient is φ = 17622272000.

The previous prime is 53440132283. The next prime is 53440132429. The reversal of 53440132422 is 22423104435.

53440132422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53440132422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440132429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701272 + ... + 773732.

It is an arithmetic number, because the mean of its divisors is an integer number (3375895887).

Almost surely, 2^53440132422 is an apocalyptic number.

53440132422 is an abundant number, since it is smaller than the sum of its proper divisors (54588535962).

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

53440132422 is a wasteful number, since it uses less digits than its factorization.

53440132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73784.

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

Adding to 53440132422 its reverse (22423104435), we get a palindrome (75863236857).

It can be divided in two parts, 5344013 and 2422, that added together give a palindrome (5346435).

The spelling of 53440132422 in words is "fifty-three billion, four hundred forty million, one hundred thirty-two thousand, four hundred twenty-two".