40444656 has 40 divisors (see below), whose sum is σ = 119409024. Its totient is φ = 11555520.

The previous prime is 40444643. The next prime is 40444661. The reversal of 40444656 is 65644404.

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 7 ways as a sum of consecutive naturals, for example, 59850 + ... + 60521.

Almost surely, 2^40444656 is an apocalyptic number.

It is an amenable number.

40444656 is an abundant number, since it is smaller than the sum of its proper divisors (78964368).

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

40444656 is a wasteful number, since it uses less digits than its factorization.

40444656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120389 (or 120383 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 40444656 is about 6359.6113088773. The cubic root of 40444656 is about 343.2577741372.

The spelling of 40444656 in words is "forty million, four hundred forty-four thousand, six hundred fifty-six".