40515515041 has 4 divisors (see below), whose sum is σ = 40554065584. Its totient is φ = 40476964500.

The previous prime is 40515515039. The next prime is 40515515063. The reversal of 40515515041 is 14051551504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40515515041 - 2¹ = 40515515039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40515514994 and 40515515012.

It is not an unprimeable number, because it can be changed into a prime (40515515021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19273695 + ... + 19275796.

It is an arithmetic number, because the mean of its divisors is an integer number (10138516396).

Almost surely, 2^40515515041 is an apocalyptic number.

It is an amenable number.

40515515041 is a deficient number, since it is larger than the sum of its proper divisors (38550543).

40515515041 is a wasteful number, since it uses less digits than its factorization.

40515515041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38550542.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 40515515041 in words is "forty billion, five hundred fifteen million, five hundred fifteen thousand, forty-one".