32404045 has 16 divisors (see below), whose sum is σ = 40514688. Its totient is φ = 24857280.

The previous prime is 32404037. The next prime is 32404051. The reversal of 32404045 is 54040423.

It is a happy number.

It is not a de Polignac number, because 32404045 - 2³ = 32404037 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 11902 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (2532168).

Almost surely, 2^32404045 is an apocalyptic number.

It is an amenable number.

32404045 is a deficient number, since it is larger than the sum of its proper divisors (8110643).

32404045 is a wasteful number, since it uses less digits than its factorization.

32404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 32404045 is about 5692.4550942454. The cubic root of 32404045 is about 318.8108370358.

Adding to 32404045 its reverse (54040423), we get a palindrome (86444468).

The spelling of 32404045 in words is "thirty-two million, four hundred four thousand, forty-five".