40249066 has 16 divisors (see below), whose sum is σ = 70928928. Its totient is φ = 16887600.

The previous prime is 40249063. The next prime is 40249091. The reversal of 40249066 is 66094204.

40249066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40249063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70080 + ... + 70651.

It is an arithmetic number, because the mean of its divisors is an integer number (4433058).

Almost surely, 2^40249066 is an apocalyptic number.

40249066 is a deficient number, since it is larger than the sum of its proper divisors (30679862).

40249066 is a wasteful number, since it uses less digits than its factorization.

40249066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140757.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40249066 is about 6344.2151602858. The cubic root of 40249066 is about 342.7035492422.

The spelling of 40249066 in words is "forty million, two hundred forty-nine thousand, sixty-six".