32685040 has 20 divisors (see below), whose sum is σ = 75992904. Its totient is φ = 13073984.

The previous prime is 32685017. The next prime is 32685043. The reversal of 32685040 is 4058623.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32685043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204202 + ... + 204361.

Almost surely, 2^32685040 is an apocalyptic number.

It is an amenable number.

32685040 is an abundant number, since it is smaller than the sum of its proper divisors (43307864).

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

32685040 is a wasteful number, since it uses less digits than its factorization.

32685040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408576 (or 408570 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 32685040 is about 5717.0831723878. The cubic root of 32685040 is about 319.7297196952.

The spelling of 32685040 in words is "thirty-two million, six hundred eighty-five thousand, forty".