40992761 has 2 divisors, whose sum is σ = 40992762. Its totient is φ = 40992760.

The previous prime is 40992733. The next prime is 40992767. The reversal of 40992761 is 16729904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 32761 = 6400^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 40992761 - 2⁶ = 40992697 is a prime.

It is not a weakly prime, because it can be changed into another prime (40992767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496380 + 20496381.

It is an arithmetic number, because the mean of its divisors is an integer number (20496381).

Almost surely, 2^40992761 is an apocalyptic number.

It is an amenable number.

40992761 is a deficient number, since it is larger than the sum of its proper divisors (1).

40992761 is an equidigital number, since it uses as much as digits as its factorization.

40992761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 40992761 is about 6402.5589415483. The cubic root of 40992761 is about 344.8014288238.

The spelling of 40992761 in words is "forty million, nine hundred ninety-two thousand, seven hundred sixty-one".