32015540540 has 12 divisors (see below), whose sum is σ = 67232635176. Its totient is φ = 12806216208.

The previous prime is 32015540539. The next prime is 32015540551. The reversal of 32015540540 is 4504551023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800388494 + ... + 800388533.

It is an arithmetic number, because the mean of its divisors is an integer number (5602719598).

Almost surely, 2^32015540540 is an apocalyptic number.

It is an amenable number.

32015540540 is an abundant number, since it is smaller than the sum of its proper divisors (35217094636).

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

32015540540 is a wasteful number, since it uses less digits than its factorization.

32015540540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600777036 (or 1600777034 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 32015540540 in words is "thirty-two billion, fifteen million, five hundred forty thousand, five hundred forty".