40024805761 has 2 divisors, whose sum is σ = 40024805762. Its totient is φ = 40024805760.

The previous prime is 40024805731. The next prime is 40024805771. The reversal of 40024805761 is 16750842004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38463054400 + 1561751361 = 196120^2 + 39519^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024805761 - 2⁷ = 40024805633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40024805761.

It is not a weakly prime, because it can be changed into another prime (40024805701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012402880 + 20012402881.

It is an arithmetic number, because the mean of its divisors is an integer number (20012402881).

Almost surely, 2^40024805761 is an apocalyptic number.

It is an amenable number.

40024805761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024805761 is an equidigital number, since it uses as much as digits as its factorization.

40024805761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 40024805761 in words is "forty billion, twenty-four million, eight hundred five thousand, seven hundred sixty-one".