40465249 has 4 divisors (see below), whose sum is σ = 44143920. Its totient is φ = 36786580.

The previous prime is 40465223. The next prime is 40465259. The reversal of 40465249 is 94256404.

40465249 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, 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 40465249 - 2¹¹ = 40463201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40465259) 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, 1839319 + ... + 1839340.

It is an arithmetic number, because the mean of its divisors is an integer number (11035980).

Almost surely, 2^40465249 is an apocalyptic number.

It is an amenable number.

40465249 is a deficient number, since it is larger than the sum of its proper divisors (3678671).

40465249 is a wasteful number, since it uses less digits than its factorization.

40465249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678670.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 40465249 is about 6361.2301483282. The cubic root of 40465249 is about 343.3160225245.

The spelling of 40465249 in words is "forty million, four hundred sixty-five thousand, two hundred forty-nine".