40360645 has 8 divisors (see below), whose sum is σ = 52158456. Its totient is φ = 29804736.

The previous prime is 40360643. The next prime is 40360679. The reversal of 40360645 is 54606304.

It can be written as a sum of positive squares in 4 ways, for example, as 5997601 + 34363044 = 2449^2 + 5862^2 .

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

It is not a de Polignac number, because 40360645 - 2¹ = 40360643 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 (40360643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310402 + ... + 310531.

It is an arithmetic number, because the mean of its divisors is an integer number (6519807).

Almost surely, 2^40360645 is an apocalyptic number.

It is an amenable number.

40360645 is a deficient number, since it is larger than the sum of its proper divisors (11797811).

40360645 is a wasteful number, since it uses less digits than its factorization.

40360645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620951.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40360645 is about 6353.0028333065. The cubic root of 40360645 is about 343.0199395118.

Adding to 40360645 its reverse (54606304), we get a palindrome (94966949).

It can be divided in two parts, 403606 and 45, that added together give a triangular number (403651 = T₈₉₈).

The spelling of 40360645 in words is "forty million, three hundred sixty thousand, six hundred forty-five".