40695865 has 16 divisors (see below), whose sum is σ = 56391552. Its totient is φ = 27615744.

The previous prime is 40695857. The next prime is 40695869. The reversal of 40695865 is 56859604.

It is a cyclic number.

It is not a de Polignac number, because 40695865 - 2³ = 40695857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40695869) 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, 2599 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (3524472).

Almost surely, 2^40695865 is an apocalyptic number.

It is an amenable number.

40695865 is a deficient number, since it is larger than the sum of its proper divisors (15695687).

40695865 is a wasteful number, since it uses less digits than its factorization.

40695865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 40695865 is about 6379.3310777855. The cubic root of 40695865 is about 343.9669863081.

The spelling of 40695865 in words is "forty million, six hundred ninety-five thousand, eight hundred sixty-five".