40776254738 has 6 divisors (see below), whose sum is σ = 61164810471. Its totient is φ = 20387984582.

The previous prime is 40776254731. The next prime is 40776254747. The reversal of 40776254738 is 83745267704.

It can be written as a sum of positive squares in only one way, i.e., 20388127369 + 20388127369 = 142787^2 + 142787^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=142787.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40776254738.

It is not an unprimeable number, because it can be changed into a prime (40776254731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 214181 + ... + 356967.

Almost surely, 2^40776254738 is an apocalyptic number.

40776254738 is a deficient number, since it is larger than the sum of its proper divisors (20388555733).

40776254738 is an frugal number, since it uses more digits than its factorization.

40776254738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285576 (or 142789 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 40776254738 in words is "forty billion, seven hundred seventy-six million, two hundred fifty-four thousand, seven hundred thirty-eight".