40036071 has 16 divisors (see below), whose sum is σ = 57111264. Its totient is φ = 24858624.

The previous prime is 40036019. The next prime is 40036081. The reversal of 40036071 is 17063004.

It is not a de Polignac number, because 40036071 - 2¹⁴ = 40019687 is a prime.

It is a super-2 number, since 2×40036071² = 3205773962234082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036081) 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, 901 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (3569454).

Almost surely, 2^40036071 is an apocalyptic number.

40036071 is a deficient number, since it is larger than the sum of its proper divisors (17075193).

40036071 is a wasteful number, since it uses less digits than its factorization.

40036071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40036071 is about 6327.4063406739. The cubic root of 40036071 is about 342.0979593537.

Adding to 40036071 its reverse (17063004), we get a palindrome (57099075).

The spelling of 40036071 in words is "forty million, thirty-six thousand, seventy-one".