40766501 has 2 divisors, whose sum is σ = 40766502. Its totient is φ = 40766500.

The previous prime is 40766497. The next prime is 40766503. The reversal of 40766501 is 10566704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40018276 + 748225 = 6326^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 40766501 - 2² = 40766497 is a prime.

Together with 40766503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40766503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383250 + 20383251.

It is an arithmetic number, because the mean of its divisors is an integer number (20383251).

Almost surely, 2^40766501 is an apocalyptic number.

It is an amenable number.

40766501 is a deficient number, since it is larger than the sum of its proper divisors (1).

40766501 is an equidigital number, since it uses as much as digits as its factorization.

40766501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40766501 is about 6384.8649946573. The cubic root of 40766501 is about 344.1658796390.

The spelling of 40766501 in words is "forty million, seven hundred sixty-six thousand, five hundred one".