40965345 has 20 divisors (see below), whose sum is σ = 73434900. Its totient is φ = 21847968.

The previous prime is 40965319. The next prime is 40965373. The reversal of 40965345 is 54356904.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32251041 + 8714304 = 5679^2 + 2952^2 .

It is not a de Polignac number, because 40965345 - 2⁷ = 40965217 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50170 + ... + 50979.

It is an arithmetic number, because the mean of its divisors is an integer number (3671745).

Almost surely, 2^40965345 is an apocalyptic number.

40965345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40965345 is a deficient number, since it is larger than the sum of its proper divisors (32469555).

40965345 is a wasteful number, since it uses less digits than its factorization.

40965345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101166 (or 101157 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 40965345 is about 6400.4175645031. The cubic root of 40965345 is about 344.7245438329.

The spelling of 40965345 in words is "forty million, nine hundred sixty-five thousand, three hundred forty-five".