40508768 has 12 divisors (see below), whose sum is σ = 79751700. Its totient is φ = 20254368.

The previous prime is 40508759. The next prime is 40508771. The reversal of 40508768 is 86780504.

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 as a sum of consecutive naturals, namely, 632918 + ... + 632981.

It is an arithmetic number, because the mean of its divisors is an integer number (6645975).

Almost surely, 2^40508768 is an apocalyptic number.

It is an amenable number.

40508768 is a deficient number, since it is larger than the sum of its proper divisors (39242932).

40508768 is a wasteful number, since it uses less digits than its factorization.

40508768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265909 (or 1265901 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 40508768 is about 6364.6498725382. The cubic root of 40508768 is about 343.4390533345.

The spelling of 40508768 in words is "forty million, five hundred eight thousand, seven hundred sixty-eight".