40468385 has 16 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 29335680.

The previous prime is 40468357. The next prime is 40468387. The reversal of 40468385 is 58386404.

It is a happy number.

It is not a de Polignac number, because 40468385 - 2²⁴ = 23691169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40468387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7076 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 2^40468385 is an apocalyptic number.

It is an amenable number.

40468385 is a deficient number, since it is larger than the sum of its proper divisors (12874975).

40468385 is a wasteful number, since it uses less digits than its factorization.

40468385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 40468385 is about 6361.4766367566. The cubic root of 40468385 is about 343.3248911321.

The spelling of 40468385 in words is "forty million, four hundred sixty-eight thousand, three hundred eighty-five".