40362865 has 4 divisors (see below), whose sum is σ = 48435444. Its totient is φ = 32290288.

The previous prime is 40362857. The next prime is 40362871. The reversal of 40362865 is 56826304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8958049 + 31404816 = 2993^2 + 5604^2 .

It is a cyclic number.

It is not a de Polignac number, because 40362865 - 2³ = 40362857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40362865.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036282 + ... + 4036291.

It is an arithmetic number, because the mean of its divisors is an integer number (12108861).

Almost surely, 2^40362865 is an apocalyptic number.

It is an amenable number.

40362865 is a deficient number, since it is larger than the sum of its proper divisors (8072579).

40362865 is an equidigital number, since it uses as much as digits as its factorization.

40362865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072578.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 40362865 is about 6353.1775514305. The cubic root of 40362865 is about 343.0262285615.

The spelling of 40362865 in words is "forty million, three hundred sixty-two thousand, eight hundred sixty-five".