40624426 has 4 divisors (see below), whose sum is σ = 60936642. Its totient is φ = 20312212.

The previous prime is 40624393. The next prime is 40624439. The reversal of 40624426 is 62442604.

40624426 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 can be written as a sum of positive squares in only one way, i.e., 33628401 + 6996025 = 5799^2 + 2645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40624394 and 40624403.

It is an unprimeable number.

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, 10156105 + ... + 10156108.

Almost surely, 2^40624426 is an apocalyptic number.

40624426 is a deficient number, since it is larger than the sum of its proper divisors (20312216).

40624426 is a wasteful number, since it uses less digits than its factorization.

40624426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312215.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 40624426 is about 6373.7293635673. The cubic root of 40624426 is about 343.7655977055.

The spelling of 40624426 in words is "forty million, six hundred twenty-four thousand, four hundred twenty-six".