40623005 has 16 divisors (see below), whose sum is σ = 50658048. Its totient is φ = 31248000.

The previous prime is 40622999. The next prime is 40623017. The reversal of 40623005 is 50032604.

It is not a de Polignac number, because 40623005 - 2⁸ = 40622749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13160 + ... + 15950.

It is an arithmetic number, because the mean of its divisors is an integer number (3166128).

Almost surely, 2^40623005 is an apocalyptic number.

It is an amenable number.

40623005 is a deficient number, since it is larger than the sum of its proper divisors (10035043).

40623005 is a wasteful number, since it uses less digits than its factorization.

40623005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40623005 is about 6373.6178893937. The cubic root of 40623005 is about 343.7615894715.

Adding to 40623005 its reverse (50032604), we get a palindrome (90655609).

The spelling of 40623005 in words is "forty million, six hundred twenty-three thousand, five".