40550371 has 4 divisors (see below), whose sum is σ = 40584544. Its totient is φ = 40516200.

The previous prime is 40550339. The next prime is 40550399. The reversal of 40550371 is 17305504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40550371 - 2⁵ = 40550339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40550971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15240 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (10146136).

Almost surely, 2^40550371 is an apocalyptic number.

40550371 is a deficient number, since it is larger than the sum of its proper divisors (34173).

40550371 is a wasteful number, since it uses less digits than its factorization.

40550371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34172.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 40550371 is about 6367.9173204432. The cubic root of 40550371 is about 343.5565851438.

Adding to 40550371 its reverse (17305504), we get a palindrome (57855875).

The spelling of 40550371 in words is "forty million, five hundred fifty thousand, three hundred seventy-one".