40566432 has 24 divisors (see below), whose sum is σ = 106487136. Its totient is φ = 13522112.

The previous prime is 40566413. The next prime is 40566439. The reversal of 40566432 is 23466504.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40566432.

It is not an unprimeable number, because it can be changed into a prime (40566439) 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, 211188 + ... + 211379.

It is an arithmetic number, because the mean of its divisors is an integer number (4436964).

Almost surely, 2^40566432 is an apocalyptic number.

It is an amenable number.

40566432 is an abundant number, since it is smaller than the sum of its proper divisors (65920704).

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

40566432 is a wasteful number, since it uses less digits than its factorization.

40566432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422580 (or 422572 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 40566432 is about 6369.1782829499. The cubic root of 40566432 is about 343.6019372482.

The spelling of 40566432 in words is "forty million, five hundred sixty-six thousand, four hundred thirty-two".