40630565 has 8 divisors (see below), whose sum is σ = 48864768. Its totient is φ = 32432400.

The previous prime is 40630519. The next prime is 40630573. The reversal of 40630565 is 56503604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40630565 - 2²² = 36436261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6461 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (6108096).

Almost surely, 2^40630565 is an apocalyptic number.

It is an amenable number.

40630565 is a deficient number, since it is larger than the sum of its proper divisors (8234203).

40630565 is a wasteful number, since it uses less digits than its factorization.

40630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 40630565 is about 6374.2109315585. The cubic root of 40630565 is about 343.7829129918.

The spelling of 40630565 in words is "forty million, six hundred thirty thousand, five hundred sixty-five".