40348066 has 16 divisors (see below), whose sum is σ = 66134880. Its totient is φ = 18309280.

The previous prime is 40348057. The next prime is 40348067. The reversal of 40348066 is 66084304.

40348066 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 (40348067) 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, 16665 + ... + 18931.

It is an arithmetic number, because the mean of its divisors is an integer number (4133430).

Almost surely, 2^40348066 is an apocalyptic number.

40348066 is a deficient number, since it is larger than the sum of its proper divisors (25786814).

40348066 is a wasteful number, since it uses less digits than its factorization.

40348066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40348066 is about 6352.0127518764. The cubic root of 40348066 is about 342.9843000404.

It can be divided in two parts, 4034 and 8066, that added together give a square (12100 = 110²).

The spelling of 40348066 in words is "forty million, three hundred forty-eight thousand, sixty-six".