41720540765 has 96 divisors (see below), whose sum is σ = 57220079616. Its totient is φ = 29123297280.

The previous prime is 41720540759. The next prime is 41720540767. The reversal of 41720540765 is 56704502714.

It is not a de Polignac number, because 41720540765 - 2⁴ = 41720540749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41720540767) 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 95 ways as a sum of consecutive naturals, for example, 216168509 + ... + 216168701.

It is an arithmetic number, because the mean of its divisors is an integer number (596042496).

Almost surely, 2^41720540765 is an apocalyptic number.

It is an amenable number.

41720540765 is a deficient number, since it is larger than the sum of its proper divisors (15499538851).

41720540765 is a wasteful number, since it uses less digits than its factorization.

41720540765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 41720540765 in words is "forty-one billion, seven hundred twenty million, five hundred forty thousand, seven hundred sixty-five".