32112242120440 has 128 divisors (see below), whose sum is σ = 73165548456000. Its totient is φ = 12683677593600.

The previous prime is 32112242120393. The next prime is 32112242120471. The reversal of 32112242120440 is 4402124221123.

It is a junction number, because it is equal to n+sod(n) for n = 32112242120399 and 32112242120408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168511500 + ... + 1168538980.

Almost surely, 2^{32112242120440} is an apocalyptic number.

It is an amenable number.

32112242120440 is an abundant number, since it is smaller than the sum of its proper divisors (41053306335560).

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

32112242120440 is a wasteful number, since it uses less digits than its factorization.

32112242120440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28721 (or 28717 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 32112242120440 its reverse (4402124221123), we get a palindrome (36514366341563).

The spelling of 32112242120440 in words is "thirty-two trillion, one hundred twelve billion, two hundred forty-two million, one hundred twenty thousand, four hundred forty".