40243626 has 24 divisors (see below), whose sum is σ = 87565764. Its totient is φ = 13357440.

The previous prime is 40243601. The next prime is 40243631. The reversal of 40243626 is 62634204.

It can be written as a sum of positive squares in 2 ways, for example, as 36614601 + 3629025 = 6051^2 + 1905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40243626.

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 in 11 ways as a sum of consecutive naturals, for example, 301 + ... + 8976.

Almost surely, 2^40243626 is an apocalyptic number.

40243626 is an abundant number, since it is smaller than the sum of its proper divisors (47322138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40243626 is a wasteful number, since it uses less digits than its factorization.

40243626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40243626 is about 6343.7864087625. The cubic root of 40243626 is about 342.6881087903.

The spelling of 40243626 in words is "forty million, two hundred forty-three thousand, six hundred twenty-six".