10040142985 has 8 divisors (see below), whose sum is σ = 12252378240. Its totient is φ = 7895976624.

The previous prime is 10040142977. The next prime is 10040142997. The reversal of 10040142985 is 58924104001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10040142985 - 2³ = 10040142977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10040142985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17016897 + ... + 17017486.

It is an arithmetic number, because the mean of its divisors is an integer number (1531547280).

Almost surely, 2^10040142985 is an apocalyptic number.

It is an amenable number.

10040142985 is a deficient number, since it is larger than the sum of its proper divisors (2212235255).

10040142985 is an equidigital number, since it uses as much as digits as its factorization.

10040142985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34034447.

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 10040142985 its reverse (58924104001), we get a palindrome (68964246986).

The spelling of 10040142985 in words is "ten billion, forty million, one hundred forty-two thousand, nine hundred eighty-five".