40771149 has 4 divisors (see below), whose sum is σ = 54361536. Its totient is φ = 27180764.

The previous prime is 40771139. The next prime is 40771163. The reversal of 40771149 is 94117704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40771149 - 2⁷ = 40771021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40771139) 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, 6795189 + ... + 6795194.

It is an arithmetic number, because the mean of its divisors is an integer number (13590384).

Almost surely, 2^40771149 is an apocalyptic number.

It is an amenable number.

40771149 is a deficient number, since it is larger than the sum of its proper divisors (13590387).

40771149 is a wasteful number, since it uses less digits than its factorization.

40771149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590386.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 40771149 is about 6385.2289700527. The cubic root of 40771149 is about 344.1789591869.

The spelling of 40771149 in words is "forty million, seven hundred seventy-one thousand, one hundred forty-nine".