40490147 has 4 divisors (see below), whose sum is σ = 40514640. Its totient is φ = 40465656.

The previous prime is 40490129. The next prime is 40490167. The reversal of 40490147 is 74109404.

40490147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40490147 - 2¹² = 40486051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40490117) 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 3 ways as a sum of consecutive naturals, for example, 9572 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (10128660).

Almost surely, 2^40490147 is an apocalyptic number.

40490147 is a deficient number, since it is larger than the sum of its proper divisors (24493).

40490147 is a wasteful number, since it uses less digits than its factorization.

40490147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40490147 is about 6363.1868587996. The cubic root of 40490147 is about 343.3864214470.

The spelling of 40490147 in words is "forty million, four hundred ninety thousand, one hundred forty-seven".