40838726 has 32 divisors (see below), whose sum is σ = 66974688. Its totient is φ = 18603520.

The previous prime is 40838717. The next prime is 40838729. The reversal of 40838726 is 62783804.

40838726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40838726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235976 + ... + 236148.

It is an arithmetic number, because the mean of its divisors is an integer number (2092959).

Almost surely, 2^40838726 is an apocalyptic number.

40838726 is a deficient number, since it is larger than the sum of its proper divisors (26135962).

40838726 is a wasteful number, since it uses less digits than its factorization.

40838726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40838726 is about 6390.5184453219. The cubic root of 40838726 is about 344.3690097805.

The spelling of 40838726 in words is "forty million, eight hundred thirty-eight thousand, seven hundred twenty-six".