40623385 has 16 divisors (see below), whose sum is σ = 53307072. Its totient is φ = 29473600.

The previous prime is 40623383. The next prime is 40623389. The reversal of 40623385 is 58332604.

It is not a de Polignac number, because 40623385 - 2¹ = 40623383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40623383) 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, 36690 + ... + 37780.

It is an arithmetic number, because the mean of its divisors is an integer number (3331692).

Almost surely, 2^40623385 is an apocalyptic number.

It is an amenable number.

40623385 is a deficient number, since it is larger than the sum of its proper divisors (12683687).

40623385 is a wasteful number, since it uses less digits than its factorization.

40623385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40623385 is about 6373.6476997085. The cubic root of 40623385 is about 343.7626613518.

Adding to 40623385 its reverse (58332604), we get a palindrome (98955989).

It can be divided in two parts, 4062 and 3385, that added together give a palindrome (7447).

The spelling of 40623385 in words is "forty million, six hundred twenty-three thousand, three hundred eighty-five".