40623643042 has 32 divisors (see below), whose sum is σ = 62852194944. Its totient is φ = 19680124800.

The previous prime is 40623643031. The next prime is 40623643087. The reversal of 40623643042 is 24034632604.

It is a junction number, because it is equal to n+sod(n) for n = 40623642989 and 40623643007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10385067 + ... + 10388977.

It is an arithmetic number, because the mean of its divisors is an integer number (1964131092).

Almost surely, 2^40623643042 is an apocalyptic number.

40623643042 is a deficient number, since it is larger than the sum of its proper divisors (22228551902).

40623643042 is a wasteful number, since it uses less digits than its factorization.

40623643042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 40623643042 in words is "forty billion, six hundred twenty-three million, six hundred forty-three thousand, forty-two".