40728608 has 24 divisors (see below), whose sum is σ = 81204480. Its totient is φ = 20105280.

The previous prime is 40728599. The next prime is 40728619. The reversal of 40728608 is 80682704.

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, 5528 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (3383520).

Almost surely, 2^40728608 is an apocalyptic number.

It is an amenable number.

40728608 is a deficient number, since it is larger than the sum of its proper divisors (40475872).

40728608 is a wasteful number, since it uses less digits than its factorization.

40728608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16200 (or 16192 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40728608 is about 6381.8968966915. The cubic root of 40728608 is about 344.0592110084.

The spelling of 40728608 in words is "forty million, seven hundred twenty-eight thousand, six hundred eight".