40010432 has 112 divisors (see below), whose sum is σ = 103583232. Its totient is φ = 14868480.

The previous prime is 40010393. The next prime is 40010441. The reversal of 40010432 is 23401004.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113168 + ... + 113520.

Almost surely, 2^40010432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40010432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51791616).

40010432 is an abundant number, since it is smaller than the sum of its proper divisors (63572800).

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

40010432 is a wasteful number, since it uses less digits than its factorization.

40010432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40010432 is about 6325.3799885857. The cubic root of 40010432 is about 342.0249175329.

Adding to 40010432 its reverse (23401004), we get a palindrome (63411436).

The spelling of 40010432 in words is "forty million, ten thousand, four hundred thirty-two".