40648948 has 12 divisors (see below), whose sum is σ = 71420832. Its totient is φ = 20243000.

The previous prime is 40648943. The next prime is 40648957. The reversal of 40648948 is 84984604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40648943) by changing a digit.

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, 19240 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (5951736).

Almost surely, 2^40648948 is an apocalyptic number.

It is an amenable number.

40648948 is a deficient number, since it is larger than the sum of its proper divisors (30771884).

40648948 is a wasteful number, since it uses less digits than its factorization.

40648948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40742 (or 40740 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 40648948 is about 6375.6527508954. The cubic root of 40648948 is about 343.8347525238.

The spelling of 40648948 in words is "forty million, six hundred forty-eight thousand, nine hundred forty-eight".