40545056 has 24 divisors (see below), whose sum is σ = 80236800. Its totient is φ = 20167488.

The previous prime is 40545019. The next prime is 40545061. The reversal of 40545056 is 65054504.

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 3 ways as a sum of consecutive naturals, for example, 3185 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (3343200).

Almost surely, 2^40545056 is an apocalyptic number.

It is a pronic number, being equal to 6367×6368.

It is an amenable number.

40545056 is a deficient number, since it is larger than the sum of its proper divisors (39691744).

40545056 is a wasteful number, since it uses less digits than its factorization.

40545056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 40545056 is about 6367.4999803691. The cubic root of 40545056 is about 343.5415743231.

The spelling of 40545056 in words is "forty million, five hundred forty-five thousand, fifty-six".