40747162741 has 2 divisors, whose sum is σ = 40747162742. Its totient is φ = 40747162740.

The previous prime is 40747162697. The next prime is 40747162763. The reversal of 40747162741 is 14726174704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40691361841 + 55800900 = 201721^2 + 7470^2 .

It is a cyclic number.

It is not a de Polignac number, because 40747162741 - 2⁹ = 40747162229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40747162241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373581370 + 20373581371.

It is an arithmetic number, because the mean of its divisors is an integer number (20373581371).

Almost surely, 2^40747162741 is an apocalyptic number.

It is an amenable number.

40747162741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40747162741 is an equidigital number, since it uses as much as digits as its factorization.

40747162741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 40747162741 in words is "forty billion, seven hundred forty-seven million, one hundred sixty-two thousand, seven hundred forty-one".