40064220626 has 8 divisors (see below), whose sum is σ = 60141827964. Its totient is φ = 20016944640.

The previous prime is 40064220593. The next prime is 40064220631. The reversal of 40064220626 is 62602246004.

It can be written as a sum of positive squares in 2 ways, for example, as 33599256601 + 6464964025 = 183301^2 + 80405^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40064220592 and 40064220601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7579535 + ... + 7584818.

Almost surely, 2^40064220626 is an apocalyptic number.

40064220626 is a deficient number, since it is larger than the sum of its proper divisors (20077607338).

40064220626 is a wasteful number, since it uses less digits than its factorization.

40064220626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165676.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 40064220626 in words is "forty billion, sixty-four million, two hundred twenty thousand, six hundred twenty-six".