40649848 has 8 divisors (see below), whose sum is σ = 76218480. Its totient is φ = 20324920.

The previous prime is 40649821. The next prime is 40649893. The reversal of 40649848 is 84894604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 2540608 + ... + 2540623.

It is an arithmetic number, because the mean of its divisors is an integer number (9527310).

Almost surely, 2^40649848 is an apocalyptic number.

It is an amenable number.

40649848 is a deficient number, since it is larger than the sum of its proper divisors (35568632).

40649848 is a wasteful number, since it uses less digits than its factorization.

40649848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081237 (or 5081233 counting only the distinct ones).

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

The square root of 40649848 is about 6375.7233315131. The cubic root of 40649848 is about 343.8372900966.

The spelling of 40649848 in words is "forty million, six hundred forty-nine thousand, eight hundred forty-eight".