32162144531140 has 96 divisors (see below), whose sum is σ = 74706579480960. Its totient is φ = 11555042688000.

The previous prime is 32162144531129. The next prime is 32162144531159. The reversal of 32162144531140 is 4113544126123.

It is a happy number.

It is a super-2 number, since 2×32162144531140² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32162144531140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59815 + ... + 8020465.

It is an arithmetic number, because the mean of its divisors is an integer number (778193536260).

Almost surely, 2^{32162144531140} 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 32162144531140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37353289740480).

32162144531140 is an abundant number, since it is smaller than the sum of its proper divisors (42544434949820).

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

32162144531140 is a wasteful number, since it uses less digits than its factorization.

32162144531140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961093 (or 7961091 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 32162144531140 its reverse (4113544126123), we get a palindrome (36275688657263).

The spelling of 32162144531140 in words is "thirty-two trillion, one hundred sixty-two billion, one hundred forty-four million, five hundred thirty-one thousand, one hundred forty".