40227149 has 4 divisors (see below), whose sum is σ = 40257660. Its totient is φ = 40196640.

The previous prime is 40227107. The next prime is 40227163. The reversal of 40227149 is 94172204.

40227149 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 can be written as a sum of positive squares in 2 ways, for example, as 14115049 + 26112100 = 3757^2 + 5110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40227149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40227179) 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, 13184 + ... + 15945.

It is an arithmetic number, because the mean of its divisors is an integer number (10064415).

Almost surely, 2^40227149 is an apocalyptic number.

It is an amenable number.

40227149 is a deficient number, since it is larger than the sum of its proper divisors (30511).

40227149 is a wasteful number, since it uses less digits than its factorization.

40227149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30510.

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

The square root of 40227149 is about 6342.4876034565. The cubic root of 40227149 is about 342.6413333269.

The spelling of 40227149 in words is "forty million, two hundred twenty-seven thousand, one hundred forty-nine".