40725066 has 16 divisors (see below), whose sum is σ = 81669600. Its totient is φ = 13538448.

The previous prime is 40725043. The next prime is 40725073. The reversal of 40725066 is 66052704.

40725066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 6681 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (5104350).

Almost surely, 2^40725066 is an apocalyptic number.

40725066 is an abundant number, since it is smaller than the sum of its proper divisors (40944534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40725066 is a wasteful number, since it uses less digits than its factorization.

40725066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40725066 is about 6381.6193869581. The cubic root of 40725066 is about 344.0492369131.

The spelling of 40725066 in words is "forty million, seven hundred twenty-five thousand, sixty-six".