40367038993 has 4 divisors (see below), whose sum is σ = 40380693300. Its totient is φ = 40353384688.

The previous prime is 40367038949. The next prime is 40367038997. The reversal of 40367038993 is 39983076304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7030487104 + 33336551889 = 83848^2 + 182583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40367038993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40367038993.

It is not an unprimeable number, because it can be changed into a prime (40367038997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6822718 + ... + 6828631.

It is an arithmetic number, because the mean of its divisors is an integer number (10095173325).

Almost surely, 2^40367038993 is an apocalyptic number.

It is an amenable number.

40367038993 is a deficient number, since it is larger than the sum of its proper divisors (13654307).

40367038993 is a wasteful number, since it uses less digits than its factorization.

40367038993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654306.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 40367038993 in words is "forty billion, three hundred sixty-seven million, thirty-eight thousand, nine hundred ninety-three".