40449148 has 12 divisors (see below), whose sum is σ = 70839160. Its totient is φ = 20209392.

The previous prime is 40449127. The next prime is 40449151. The reversal of 40449148 is 84194404.

40449148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40449148² = 3272267147851808, which contains 22 as substring.

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, 3958 + ... + 9826.

Almost surely, 2^40449148 is an apocalyptic number.

It is an amenable number.

40449148 is a deficient number, since it is larger than the sum of its proper divisors (30390012).

40449148 is a wasteful number, since it uses less digits than its factorization.

40449148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 40449148 is about 6359.9644653095. The cubic root of 40449148 is about 343.2704816820.

The spelling of 40449148 in words is "forty million, four hundred forty-nine thousand, one hundred forty-eight".