40037005 has 4 divisors (see below), whose sum is σ = 48044412. Its totient is φ = 32029600.

The previous prime is 40036993. The next prime is 40037021. The reversal of 40037005 is 50073004.

40037005 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 35081929 = 2226^2 + 5923^2 .

It is not a de Polignac number, because 40037005 - 2¹⁷ = 39905933 is a prime.

It is a super-3 number, since 3×40037005³ (a number of 24 digits) contains 333 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4003696 + ... + 4003705.

It is an arithmetic number, because the mean of its divisors is an integer number (12011103).

Almost surely, 2^40037005 is an apocalyptic number.

It is an amenable number.

40037005 is a deficient number, since it is larger than the sum of its proper divisors (8007407).

40037005 is an equidigital number, since it uses as much as digits as its factorization.

40037005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007406.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 40037005 is about 6327.4801461561. The cubic root of 40037005 is about 342.1006195965.

The spelling of 40037005 in words is "forty million, thirty-seven thousand, five".