40380345 has 24 divisors (see below), whose sum is σ = 70229952. Its totient is φ = 21463200.

The previous prime is 40380343. The next prime is 40380359. The reversal of 40380345 is 54308304.

It is a happy number.

40380345 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 40380345 - 2¹ = 40380343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40380343) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13540 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (2926248).

Almost surely, 2^40380345 is an apocalyptic number.

40380345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40380345 is a deficient number, since it is larger than the sum of its proper divisors (29849607).

40380345 is a wasteful number, since it uses less digits than its factorization.

40380345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40380345 is about 6354.5530920750. The cubic root of 40380345 is about 343.0757396910.

Adding to 40380345 its reverse (54308304), we get a palindrome (94688649).

The spelling of 40380345 in words is "forty million, three hundred eighty thousand, three hundred forty-five".