40466149 has 4 divisors (see below), whose sum is σ = 40479264. Its totient is φ = 40453036.

The previous prime is 40466147. The next prime is 40466161. The reversal of 40466149 is 94166404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40466149 - 2¹ = 40466147 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 (40466147) 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, 894 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (10119816).

Almost surely, 2^40466149 is an apocalyptic number.

It is an amenable number.

40466149 is a deficient number, since it is larger than the sum of its proper divisors (13115).

40466149 is an equidigital number, since it uses as much as digits as its factorization.

40466149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40466149 is about 6361.3008889692. The cubic root of 40466149 is about 343.3185677713.

The spelling of 40466149 in words is "forty million, four hundred sixty-six thousand, one hundred forty-nine".