40011000761 has 2 divisors, whose sum is σ = 40011000762. Its totient is φ = 40011000760.

The previous prime is 40011000751. The next prime is 40011000787. The reversal of 40011000761 is 16700011004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39345102736 + 665898025 = 198356^2 + 25805^2 .

It is a cyclic number.

It is not a de Polignac number, because 40011000761 - 2¹⁰ = 40010999737 is a prime.

It is not a weakly prime, because it can be changed into another prime (40011000751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005500380 + 20005500381.

It is an arithmetic number, because the mean of its divisors is an integer number (20005500381).

Almost surely, 2^40011000761 is an apocalyptic number.

It is an amenable number.

40011000761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011000761 is an equidigital number, since it uses as much as digits as its factorization.

40011000761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 40011000761 its reverse (16700011004), we get a palindrome (56711011765).

The spelling of 40011000761 in words is "forty billion, eleven million, seven hundred sixty-one", and thus it is an aban number.