40153270777 has 2 divisors, whose sum is σ = 40153270778. Its totient is φ = 40153270776.

The previous prime is 40153270771. The next prime is 40153270789. The reversal of 40153270777 is 77707235104.

40153270777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25206007696 + 14947263081 = 158764^2 + 122259^2 .

It is a cyclic number.

It is not a de Polignac number, because 40153270777 - 2²⁷ = 40019053049 is a prime.

It is a super-2 number, since 2×40153270777² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40153270771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076635388 + 20076635389.

It is an arithmetic number, because the mean of its divisors is an integer number (20076635389).

Almost surely, 2^40153270777 is an apocalyptic number.

It is an amenable number.

40153270777 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153270777 is an equidigital number, since it uses as much as digits as its factorization.

40153270777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288120, while the sum is 43.

The spelling of 40153270777 in words is "forty billion, one hundred fifty-three million, two hundred seventy thousand, seven hundred seventy-seven".