40840826 has 16 divisors (see below), whose sum is σ = 68103168. Its totient is φ = 18241200.

The previous prime is 40840777. The next prime is 40840829. The reversal of 40840826 is 62804804.

It is a junction number, because it is equal to n+sod(n) for n = 40840792 and 40840801.

It is not an unprimeable number, because it can be changed into a prime (40840829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24530 + ... + 26141.

It is an arithmetic number, because the mean of its divisors is an integer number (4256448).

Almost surely, 2^40840826 is an apocalyptic number.

40840826 is a deficient number, since it is larger than the sum of its proper divisors (27262342).

40840826 is a wasteful number, since it uses less digits than its factorization.

40840826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40840826 is about 6390.6827491278. The cubic root of 40840826 is about 344.3749123685.

The spelling of 40840826 in words is "forty million, eight hundred forty thousand, eight hundred twenty-six".