40657476757 has 2 divisors, whose sum is σ = 40657476758. Its totient is φ = 40657476756.

The previous prime is 40657476733. The next prime is 40657476767. The reversal of 40657476757 is 75767475604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37298810641 + 3358666116 = 193129^2 + 57954^2 .

It is a cyclic number.

It is not a de Polignac number, because 40657476757 - 2¹¹ = 40657474709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40657476767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20328738378 + 20328738379.

It is an arithmetic number, because the mean of its divisors is an integer number (20328738379).

Almost surely, 2^40657476757 is an apocalyptic number.

It is an amenable number.

40657476757 is a deficient number, since it is larger than the sum of its proper divisors (1).

40657476757 is an equidigital number, since it uses as much as digits as its factorization.

40657476757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34574400, while the sum is 58.

The spelling of 40657476757 in words is "forty billion, six hundred fifty-seven million, four hundred seventy-six thousand, seven hundred fifty-seven".