40240346641 has 4 divisors (see below), whose sum is σ = 43898559984. Its totient is φ = 36582133300.

The previous prime is 40240346623. The next prime is 40240346651. The reversal of 40240346641 is 14664304204.

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 40240346641 - 2⁵ = 40240346609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40240346597 and 40240346606.

It is not an unprimeable number, because it can be changed into a prime (40240346651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829106655 + ... + 1829106676.

It is an arithmetic number, because the mean of its divisors is an integer number (10974639996).

Almost surely, 2^40240346641 is an apocalyptic number.

It is an amenable number.

40240346641 is a deficient number, since it is larger than the sum of its proper divisors (3658213343).

40240346641 is a wasteful number, since it uses less digits than its factorization.

40240346641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658213342.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40240346641 in words is "forty billion, two hundred forty million, three hundred forty-six thousand, six hundred forty-one".