40685061 has 12 divisors (see below), whose sum is σ = 57253632. Its totient is φ = 25695144.

The previous prime is 40685053. The next prime is 40685069. The reversal of 40685061 is 16058604.

It is an interprime number because it is at equal distance from previous prime (40685053) and next prime (40685069).

It is not a de Polignac number, because 40685061 - 2³ = 40685053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40685069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17701 + ... + 19866.

It is an arithmetic number, because the mean of its divisors is an integer number (4771136).

Almost surely, 2^40685061 is an apocalyptic number.

It is an amenable number.

40685061 is a deficient number, since it is larger than the sum of its proper divisors (16568571).

40685061 is a wasteful number, since it uses less digits than its factorization.

40685061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37608 (or 37589 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40685061 is about 6378.4842243279. The cubic root of 40685061 is about 343.9365446548.

The spelling of 40685061 in words is "forty million, six hundred eighty-five thousand, sixty-one".