40263544306 has 8 divisors (see below), whose sum is σ = 61868373084. Its totient is φ = 19640753280.

The previous prime is 40263544261. The next prime is 40263544313. The reversal of 40263544306 is 60344536204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34413589081 + 5849955225 = 185509^2 + 76485^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245509335 + ... + 245509498.

Almost surely, 2^40263544306 is an apocalyptic number.

40263544306 is a deficient number, since it is larger than the sum of its proper divisors (21604828778).

40263544306 is a wasteful number, since it uses less digits than its factorization.

40263544306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491018876.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 40263544306 in words is "forty billion, two hundred sixty-three million, five hundred forty-four thousand, three hundred six".