40725166 has 8 divisors (see below), whose sum is σ = 64681200. Its totient is φ = 19164768.

The previous prime is 40725161. The next prime is 40725187. The reversal of 40725166 is 66152704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598866 + ... + 598933.

It is an arithmetic number, because the mean of its divisors is an integer number (8085150).

Almost surely, 2^40725166 is an apocalyptic number.

40725166 is a deficient number, since it is larger than the sum of its proper divisors (23956034).

40725166 is a wasteful number, since it uses less digits than its factorization.

40725166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197818.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40725166 is about 6381.6272219552. The cubic root of 40725166 is about 344.0495185160.

The spelling of 40725166 in words is "forty million, seven hundred twenty-five thousand, one hundred sixty-six".