32140455440440 has 16 divisors (see below), whose sum is σ = 72316024741080. Its totient is φ = 12856182176160.

The previous prime is 32140455440417. The next prime is 32140455440491. The reversal of 32140455440440 is 4404455404123.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 803511386011 = 32140455440440 / (3 + 2 + 1 + 4 + 0 + 4 + 5 + 5 + 4 + 4 + 0 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 32140455440393 and 32140455440402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401755692966 + ... + 401755693045.

Almost surely, 2^{32140455440440} is an apocalyptic number.

It is an amenable number.

32140455440440 is an abundant number, since it is smaller than the sum of its proper divisors (40175569300640).

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

32140455440440 is a wasteful number, since it uses less digits than its factorization.

32140455440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803511386022 (or 803511386018 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

The spelling of 32140455440440 in words is "thirty-two trillion, one hundred forty billion, four hundred fifty-five million, four hundred forty thousand, four hundred forty".