40720948 has 12 divisors (see below), whose sum is σ = 74360160. Its totient is φ = 19475192.

The previous prime is 40720931. The next prime is 40720961. The reversal of 40720948 is 84902704.

It is a happy number.

40720948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221218 + ... + 221401.

It is an arithmetic number, because the mean of its divisors is an integer number (6196680).

Almost surely, 2^40720948 is an apocalyptic number.

It is an amenable number.

40720948 is a deficient number, since it is larger than the sum of its proper divisors (33639212).

40720948 is a wasteful number, since it uses less digits than its factorization.

40720948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442646 (or 442644 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40720948 is about 6381.2967334234. The cubic root of 40720948 is about 344.0376401034.

The spelling of 40720948 in words is "forty million, seven hundred twenty thousand, nine hundred forty-eight".