40575965 has 16 divisors (see below), whose sum is σ = 49437696. Its totient is φ = 31968000.

The previous prime is 40575949. The next prime is 40575967. The reversal of 40575965 is 56957504.

It is not a de Polignac number, because 40575965 - 2⁴ = 40575949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40575967) 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, 168245 + ... + 168485.

It is an arithmetic number, because the mean of its divisors is an integer number (3089856).

Almost surely, 2^40575965 is an apocalyptic number.

It is an amenable number.

40575965 is a deficient number, since it is larger than the sum of its proper divisors (8861731).

40575965 is a wasteful number, since it uses less digits than its factorization.

40575965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 40575965 is about 6369.9266086824. The cubic root of 40575965 is about 343.6288503103.

The spelling of 40575965 in words is "forty million, five hundred seventy-five thousand, nine hundred sixty-five".