40311826 has 4 divisors (see below), whose sum is σ = 60467742. Its totient is φ = 20155912.

The previous prime is 40311793. The next prime is 40311857. The reversal of 40311826 is 62811304.

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

It can be written as a sum of positive squares in only one way, i.e., 40309801 + 2025 = 6349^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40311826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077955 + ... + 10077958.

Almost surely, 2^40311826 is an apocalyptic number.

40311826 is a deficient number, since it is larger than the sum of its proper divisors (20155916).

40311826 is a wasteful number, since it uses less digits than its factorization.

40311826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20155915.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40311826 is about 6349.1594719301. The cubic root of 40311826 is about 342.8815815748.

The spelling of 40311826 in words is "forty million, three hundred eleven thousand, eight hundred twenty-six".