40002440413 has 16 divisors (see below), whose sum is σ = 44640454320. Its totient is φ = 35591721984.

The previous prime is 40002440389. The next prime is 40002440417. The reversal of 40002440413 is 31404420004.

It can be written as a sum of positive squares in 8 ways, for example, as 2700153369 + 37302287044 = 51963^2 + 193138^2 .

It is not a de Polignac number, because 40002440413 - 2¹⁷ = 40002309341 is a prime.

It is a super-2 number, since 2×40002440413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002440417) by changing a digit.

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, 134095 + ... + 313027.

It is an arithmetic number, because the mean of its divisors is an integer number (2790028395).

Almost surely, 2^40002440413 is an apocalyptic number.

It is an amenable number.

40002440413 is a deficient number, since it is larger than the sum of its proper divisors (4638013907).

40002440413 is a wasteful number, since it uses less digits than its factorization.

40002440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179568.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40002440413 its reverse (31404420004), we get a palindrome (71406860417).

The spelling of 40002440413 in words is "forty billion, two million, four hundred forty thousand, four hundred thirteen".