40793617641 has 24 divisors (see below), whose sum is σ = 63863082720. Its totient is φ = 23092773312.

The previous prime is 40793617637. The next prime is 40793617649. The reversal of 40793617641 is 14671639704.

It is not a de Polignac number, because 40793617641 - 2² = 40793617637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40793617649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1281036 + ... + 1312493.

It is an arithmetic number, because the mean of its divisors is an integer number (2660961780).

Almost surely, 2^40793617641 is an apocalyptic number.

It is an amenable number.

40793617641 is a deficient number, since it is larger than the sum of its proper divisors (23069465079).

40793617641 is a wasteful number, since it uses less digits than its factorization.

40793617641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593653 (or 2593646 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 40793617641 in words is "forty billion, seven hundred ninety-three million, six hundred seventeen thousand, six hundred forty-one".