40080843 has 24 divisors (see below), whose sum is σ = 64202736. Its totient is φ = 23889600.

The previous prime is 40080841. The next prime is 40080847. The reversal of 40080843 is 34808004.

It is not a de Polignac number, because 40080843 - 2¹ = 40080841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40080841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2721 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (2675114).

Almost surely, 2^40080843 is an apocalyptic number.

40080843 is a deficient number, since it is larger than the sum of its proper divisors (24121893).

40080843 is a wasteful number, since it uses less digits than its factorization.

40080843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40080843 is about 6330.9432946442. The cubic root of 40080843 is about 342.2254336004.

Adding to 40080843 its reverse (34808004), we get a palindrome (74888847).

The spelling of 40080843 in words is "forty million, eighty thousand, eight hundred forty-three".