40468565 has 8 divisors (see below), whose sum is σ = 49875000. Its totient is φ = 31499712.

The previous prime is 40468553. The next prime is 40468573. The reversal of 40468565 is 56586404.

It can be written as a sum of positive squares in 4 ways, for example, as 13490929 + 26977636 = 3673^2 + 5194^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40468565 - 2⁶ = 40468501 is a prime.

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, 109190 + ... + 109559.

It is an arithmetic number, because the mean of its divisors is an integer number (6234375).

Almost surely, 2^40468565 is an apocalyptic number.

It is an amenable number.

40468565 is a deficient number, since it is larger than the sum of its proper divisors (9406435).

40468565 is a wasteful number, since it uses less digits than its factorization.

40468565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218791.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 40468565 is about 6361.4907843995. The cubic root of 40468565 is about 343.3254001581.

The spelling of 40468565 in words is "forty million, four hundred sixty-eight thousand, five hundred sixty-five".