40675665 has 16 divisors (see below), whose sum is σ = 65160576. Its totient is φ = 21667200.

The previous prime is 40675643. The next prime is 40675699. The reversal of 40675665 is 56657604.

It is not a de Polignac number, because 40675665 - 2¹¹ = 40673617 is a prime.

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, 21300 + ... + 23130.

It is an arithmetic number, because the mean of its divisors is an integer number (4072536).

Almost surely, 2^40675665 is an apocalyptic number.

It is an amenable number.

40675665 is a deficient number, since it is larger than the sum of its proper divisors (24484911).

40675665 is a wasteful number, since it uses less digits than its factorization.

40675665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 40675665 is about 6377.7476431731. The cubic root of 40675665 is about 343.9100658401.

The spelling of 40675665 in words is "forty million, six hundred seventy-five thousand, six hundred sixty-five".