40056626 has 8 divisors (see below), whose sum is σ = 61070124. Its totient is φ = 19699920.

The previous prime is 40056613. The next prime is 40056629. The reversal of 40056626 is 62665004.

40056626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39753025 + 303601 = 6305^2 + 551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40056629) 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 3 ways as a sum of consecutive naturals, for example, 164045 + ... + 164288.

Almost surely, 2^40056626 is an apocalyptic number.

40056626 is a deficient number, since it is larger than the sum of its proper divisors (21013498).

40056626 is a wasteful number, since it uses less digits than its factorization.

40056626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328396.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40056626 is about 6329.0304154744. The cubic root of 40056626 is about 342.1564950717.

The spelling of 40056626 in words is "forty million, fifty-six thousand, six hundred twenty-six".