40740476777 has 16 divisors (see below), whose sum is σ = 54700501632. Its totient is φ = 29303838720.

The previous prime is 40740476753. The next prime is 40740476789. The reversal of 40740476777 is 77767404704.

It is a happy number.

It is not a de Polignac number, because 40740476777 - 2⁶ = 40740476713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40740476717) 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 15 ways as a sum of consecutive naturals, for example, 20348888 + ... + 20350889.

It is an arithmetic number, because the mean of its divisors is an integer number (3418781352).

Almost surely, 2^40740476777 is an apocalyptic number.

It is an amenable number.

40740476777 is a deficient number, since it is larger than the sum of its proper divisors (13960024855).

40740476777 is a wasteful number, since it uses less digits than its factorization.

40740476777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40699808.

The product of its (nonzero) digits is 6453888, while the sum is 53.

The spelling of 40740476777 in words is "forty billion, seven hundred forty million, four hundred seventy-six thousand, seven hundred seventy-seven".