40764344767 has 4 divisors (see below), whose sum is σ = 41432612776. Its totient is φ = 40096076760.

The previous prime is 40764344741. The next prime is 40764344773. The reversal of 40764344767 is 76744346704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40764344767 - 2¹¹ = 40764342719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40764344707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334133913 + ... + 334134034.

It is an arithmetic number, because the mean of its divisors is an integer number (10358153194).

Almost surely, 2^40764344767 is an apocalyptic number.

40764344767 is a deficient number, since it is larger than the sum of its proper divisors (668268009).

40764344767 is an equidigital number, since it uses as much as digits as its factorization.

40764344767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668268008.

The product of its (nonzero) digits is 9483264, while the sum is 52.

The spelling of 40764344767 in words is "forty billion, seven hundred sixty-four million, three hundred forty-four thousand, seven hundred sixty-seven".