40835761 has 2 divisors, whose sum is σ = 40835762. Its totient is φ = 40835760.

The previous prime is 40835749. The next prime is 40835783. The reversal of 40835761 is 16753804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 2085136 = 6225^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 40835761 - 2⁷ = 40835633 is a prime.

It is not a weakly prime, because it can be changed into another prime (40835791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20417880 + 20417881.

It is an arithmetic number, because the mean of its divisors is an integer number (20417881).

Almost surely, 2^40835761 is an apocalyptic number.

It is an amenable number.

40835761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40835761 is an equidigital number, since it uses as much as digits as its factorization.

40835761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 40835761 is about 6390.2864568030. The cubic root of 40835761 is about 344.3606755438.

The spelling of 40835761 in words is "forty million, eight hundred thirty-five thousand, seven hundred sixty-one".