40515764766 has 16 divisors (see below), whose sum is σ = 81245337600. Its totient is φ = 13469620248.

The previous prime is 40515764761. The next prime is 40515764767. The reversal of 40515764766 is 66746751504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40515764761) 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 7 ways as a sum of consecutive naturals, for example, 8906206 + ... + 8910753.

It is an arithmetic number, because the mean of its divisors is an integer number (5077833600).

Almost surely, 2^40515764766 is an apocalyptic number.

40515764766 is an abundant number, since it is smaller than the sum of its proper divisors (40729572834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40515764766 is a wasteful number, since it uses less digits than its factorization.

40515764766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817343.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 40515764766 in words is "forty billion, five hundred fifteen million, seven hundred sixty-four thousand, seven hundred sixty-six".