40001711 has 2 divisors, whose sum is σ = 40001712. Its totient is φ = 40001710.

The previous prime is 40001657. The next prime is 40001719. The reversal of 40001711 is 11710004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40001711 - 2¹⁰ = 40000687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40001719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000855 + 20000856.

It is an arithmetic number, because the mean of its divisors is an integer number (20000856).

Almost surely, 2^40001711 is an apocalyptic number.

40001711 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001711 is an equidigital number, since it uses as much as digits as its factorization.

40001711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 40001711 is about 6324.6905853172. The cubic root of 40001711 is about 342.0000655472. Note that the first 4 decimals are identical.

Adding to 40001711 its reverse (11710004), we get a palindrome (51711715).

The spelling of 40001711 in words is "forty million, one thousand, seven hundred eleven".