40064346 has 24 divisors (see below), whose sum is σ = 99207264. Its totient is φ = 11446920.

The previous prime is 40064333. The next prime is 40064383. The reversal of 40064346 is 64346004.

It is a happy number.

40064346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 158860 + ... + 159111.

It is an arithmetic number, because the mean of its divisors is an integer number (4133636).

Almost surely, 2^40064346 is an apocalyptic number.

40064346 is an abundant number, since it is smaller than the sum of its proper divisors (59142918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40064346 is a wasteful number, since it uses less digits than its factorization.

40064346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317986 (or 317983 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40064346 is about 6329.6402741388. The cubic root of 40064346 is about 342.1784746103.

It can be divided in two parts, 400643 and 46, that added together give a square (400689 = 633²).

The spelling of 40064346 in words is "forty million, sixty-four thousand, three hundred forty-six".