32065785407838 has 64 divisors (see below), whose sum is σ = 83085435901440. Its totient is φ = 8011809885312.

The previous prime is 32065785407801. The next prime is 32065785407839. The reversal of 32065785407838 is 83870458756023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32065785407839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545477645 + ... + 1545498392.

It is an arithmetic number, because the mean of its divisors is an integer number (1298209935960).

Almost surely, 2^{32065785407838} is an apocalyptic number.

32065785407838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

32065785407838 is an abundant number, since it is smaller than the sum of its proper divisors (51019650493602).

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

32065785407838 is a wasteful number, since it uses less digits than its factorization.

32065785407838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090976081.

The product of its (nonzero) digits is 270950400, while the sum is 66.

The spelling of 32065785407838 in words is "thirty-two trillion, sixty-five billion, seven hundred eighty-five million, four hundred seven thousand, eight hundred thirty-eight".