40044346 has 16 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 19636048.

The previous prime is 40044341. The next prime is 40044349. The reversal of 40044346 is 64344004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40044346.

It is not an unprimeable number, because it can be changed into a prime (40044341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23925 + ... + 25543.

It is an arithmetic number, because the mean of its divisors is an integer number (3827250).

Almost surely, 2^40044346 is an apocalyptic number.

40044346 is a deficient number, since it is larger than the sum of its proper divisors (21191654).

40044346 is a wasteful number, since it uses less digits than its factorization.

40044346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40044346 is about 6328.0602083103. The cubic root of 40044346 is about 342.1215269810.

The spelling of 40044346 in words is "forty million, forty-four thousand, three hundred forty-six".