32640043037 has 16 divisors (see below), whose sum is σ = 37552730112. Its totient is φ = 27790108800.

The previous prime is 32640043013. The next prime is 32640043087. The reversal of 32640043037 is 73034004623.

It is a cyclic number.

It is not a de Polignac number, because 32640043037 - 2¹⁸ = 32639780893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32640042994 and 32640043012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640043087) 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, 1382153 + ... + 1405569.

It is an arithmetic number, because the mean of its divisors is an integer number (2347045632).

Almost surely, 2^32640043037 is an apocalyptic number.

It is an amenable number.

32640043037 is a deficient number, since it is larger than the sum of its proper divisors (4912687075).

32640043037 is a wasteful number, since it uses less digits than its factorization.

32640043037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748.

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 32640043037 in words is "thirty-two billion, six hundred forty million, forty-three thousand, thirty-seven".