40066117 has 16 divisors (see below), whose sum is σ = 51909760. Its totient is φ = 30030912.

The previous prime is 40066099. The next prime is 40066151. The reversal of 40066117 is 71166004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40066117 - 2⁷ = 40065989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40066091 and 40066100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9858 + ... + 13315.

It is an arithmetic number, because the mean of its divisors is an integer number (3244360).

Almost surely, 2^40066117 is an apocalyptic number.

It is an amenable number.

40066117 is a deficient number, since it is larger than the sum of its proper divisors (11843643).

40066117 is a wasteful number, since it uses less digits than its factorization.

40066117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40066117 is about 6329.7801699585. The cubic root of 40066117 is about 342.1835164094.

The spelling of 40066117 in words is "forty million, sixty-six thousand, one hundred seventeen".