40784764264 has 8 divisors (see below), whose sum is σ = 76471433010. Its totient is φ = 20392382128.

The previous prime is 40784764261. The next prime is 40784764297. The reversal of 40784764264 is 46246748704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24539222500 + 16245541764 = 156650^2 + 127458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40784764261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549047759 + ... + 2549047774.

Almost surely, 2^40784764264 is an apocalyptic number.

It is an amenable number.

40784764264 is a deficient number, since it is larger than the sum of its proper divisors (35686668746).

40784764264 is a wasteful number, since it uses less digits than its factorization.

40784764264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098095539 (or 5098095535 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 40784764264 in words is "forty billion, seven hundred eighty-four million, seven hundred sixty-four thousand, two hundred sixty-four".