40064345 has 8 divisors (see below), whose sum is σ = 48116040. Its totient is φ = 32025600.

The previous prime is 40064333. The next prime is 40064383. The reversal of 40064345 is 54346004.

40064345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5442889 + 34621456 = 2333^2 + 5884^2 .

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

It is not a de Polignac number, because 40064345 - 2²⁴ = 23287129 is a prime.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5945 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (6014505).

Almost surely, 2^40064345 is an apocalyptic number.

It is an amenable number.

40064345 is a deficient number, since it is larger than the sum of its proper divisors (8051695).

40064345 is a wasteful number, since it uses less digits than its factorization.

40064345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40064345 is about 6329.6401951454. The cubic root of 40064345 is about 342.1784717634.

The spelling of 40064345 in words is "forty million, sixty-four thousand, three hundred forty-five".