40646948 has 6 divisors (see below), whose sum is σ = 71132166. Its totient is φ = 20323472.

The previous prime is 40646939. The next prime is 40646959. The reversal of 40646948 is 84964604.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 222784 = 6358^2 + 472^2 .

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, 5080865 + ... + 5080872.

It is an arithmetic number, because the mean of its divisors is an integer number (11855361).

Almost surely, 2^40646948 is an apocalyptic number.

It is an amenable number.

40646948 is a deficient number, since it is larger than the sum of its proper divisors (30485218).

40646948 is a wasteful number, since it uses less digits than its factorization.

40646948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161741 (or 10161739 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 40646948 is about 6375.4959022809. The cubic root of 40646948 is about 343.8291133390.

The spelling of 40646948 in words is "forty million, six hundred forty-six thousand, nine hundred forty-eight".