40384345 has 16 divisors (see below), whose sum is σ = 49302720. Its totient is φ = 31752000.

The previous prime is 40384321. The next prime is 40384363. The reversal of 40384345 is 54348304.

40384345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40384345 - 2¹⁷ = 40253273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106366 + ... + 106744.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^40384345 is an apocalyptic number.

It is an amenable number.

40384345 is a deficient number, since it is larger than the sum of its proper divisors (8918375).

40384345 is a wasteful number, since it uses less digits than its factorization.

40384345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 40384345 is about 6354.8678192390. The cubic root of 40384345 is about 343.0870674599.

It can be divided in two parts, 403 and 84345, that added together give a palindrome (84748).

The spelling of 40384345 in words is "forty million, three hundred eighty-four thousand, three hundred forty-five".