40049726 has 4 divisors (see below), whose sum is σ = 60074592. Its totient is φ = 20024862.

The previous prime is 40049717. The next prime is 40049729. The reversal of 40049726 is 62794004.

40049726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40049692 and 40049701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40049729) 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 as a sum of consecutive naturals, namely, 10012430 + ... + 10012433.

It is an arithmetic number, because the mean of its divisors is an integer number (15018648).

Almost surely, 2^40049726 is an apocalyptic number.

40049726 is a deficient number, since it is larger than the sum of its proper divisors (20024866).

40049726 is a wasteful number, since it uses less digits than its factorization.

40049726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024865.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40049726 is about 6328.4852848055. The cubic root of 40049726 is about 342.1368477572.

The spelling of 40049726 in words is "forty million, forty-nine thousand, seven hundred twenty-six".