40044546 has 24 divisors (see below), whose sum is σ = 87609600. Its totient is φ = 13217976.

The previous prime is 40044527. The next prime is 40044551. The reversal of 40044546 is 64544004.

It is a super-2 number, since 2×40044546² = 3207131328692232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8946 + ... + 12653.

It is an arithmetic number, because the mean of its divisors is an integer number (3650400).

Almost surely, 2^40044546 is an apocalyptic number.

40044546 is an abundant number, since it is smaller than the sum of its proper divisors (47565054).

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

40044546 is a wasteful number, since it uses less digits than its factorization.

40044546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21710 (or 21707 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40044546 is about 6328.0760109215. The cubic root of 40044546 is about 342.1220965511.

The spelling of 40044546 in words is "forty million, forty-four thousand, five hundred forty-six".