40445432 has 8 divisors (see below), whose sum is σ = 75835200. Its totient is φ = 20222712.

The previous prime is 40445417. The next prime is 40445437. The reversal of 40445432 is 23454404.

40445432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527832 + ... + 2527847.

It is an arithmetic number, because the mean of its divisors is an integer number (9479400).

Almost surely, 2^40445432 is an apocalyptic number.

It is an amenable number.

40445432 is a deficient number, since it is larger than the sum of its proper divisors (35389768).

40445432 is a wasteful number, since it uses less digits than its factorization.

40445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055685 (or 5055681 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40445432 is about 6359.6723186026. The cubic root of 40445432 is about 343.2599694526.

Adding to 40445432 its reverse (23454404), we get a palindrome (63899836).

The spelling of 40445432 in words is "forty million, four hundred forty-five thousand, four hundred thirty-two".