40042145459984 has 20 divisors (see below), whose sum is σ = 78030105717516. Its totient is φ = 19905343984512.

The previous prime is 40042145459977. The next prime is 40042145460017. The reversal of 40042145459984 is 48995454124004.

It can be written as a sum of positive squares in 2 ways, for example, as 30958986246400 + 9083159213584 = 5564080^2 + 3013828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233043739 + ... + 7233049274.

Almost surely, 2^{40042145459984} is an apocalyptic number.

It is an amenable number.

40042145459984 is a deficient number, since it is larger than the sum of its proper divisors (37987960257532).

40042145459984 is a wasteful number, since it uses less digits than its factorization.

40042145459984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466093194 (or 14466093188 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 59.

The spelling of 40042145459984 in words is "forty trillion, forty-two billion, one hundred forty-five million, four hundred fifty-nine thousand, nine hundred eighty-four".