40915567693 has 16 divisors (see below), whose sum is σ = 54935588736. Its totient is φ = 29429778240.

The previous prime is 40915567691. The next prime is 40915567699. The reversal of 40915567693 is 39676551904.

It is a cyclic number.

It is not a de Polignac number, because 40915567693 - 2¹ = 40915567691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40915567691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20436346 + ... + 20438347.

It is an arithmetic number, because the mean of its divisors is an integer number (3433474296).

Almost surely, 2^40915567693 is an apocalyptic number.

It is an amenable number.

40915567693 is a deficient number, since it is larger than the sum of its proper divisors (14020021043).

40915567693 is a wasteful number, since it uses less digits than its factorization.

40915567693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40874724.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 40915567693 in words is "forty billion, nine hundred fifteen million, five hundred sixty-seven thousand, six hundred ninety-three".