40068965 has 16 divisors (see below), whose sum is σ = 50232960. Its totient is φ = 30651840.

The previous prime is 40068947. The next prime is 40068979. The reversal of 40068965 is 56986004.

It is a de Polignac number, because none of the positive numbers 2^k-40068965 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9080 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (3139560).

Almost surely, 2^40068965 is an apocalyptic number.

It is an amenable number.

40068965 is a deficient number, since it is larger than the sum of its proper divisors (10163995).

40068965 is a wasteful number, since it uses less digits than its factorization.

40068965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 40068965 is about 6330.0051342791. The cubic root of 40068965 is about 342.1916239712.

The spelling of 40068965 in words is "forty million, sixty-eight thousand, nine hundred sixty-five".