40332045 has 32 divisors (see below), whose sum is σ = 70180992. Its totient is φ = 19660032.

The previous prime is 40332037. The next prime is 40332053. The reversal of 40332045 is 54023304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40332037) and next prime (40332053).

It is not a de Polignac number, because 40332045 - 2³ = 40332037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19899 + ... + 21831.

It is an arithmetic number, because the mean of its divisors is an integer number (2193156).

Almost surely, 2^40332045 is an apocalyptic number.

It is an amenable number.

40332045 is a deficient number, since it is larger than the sum of its proper divisors (29848947).

40332045 is a wasteful number, since it uses less digits than its factorization.

40332045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40332045 is about 6350.7515303309. The cubic root of 40332045 is about 342.9388977905.

Adding to 40332045 its reverse (54023304), we get a palindrome (94355349).

The spelling of 40332045 in words is "forty million, three hundred thirty-two thousand, forty-five".