40013244535 has 32 divisors (see below), whose sum is σ = 53263701504. Its totient is φ = 28611792000.

The previous prime is 40013244533. The next prime is 40013244547. The reversal of 40013244535 is 53544231004.

It is not a de Polignac number, because 40013244535 - 2¹ = 40013244533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40013244497 and 40013244506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013244533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983550 + ... + 2003620.

It is an arithmetic number, because the mean of its divisors is an integer number (1664490672).

Almost surely, 2^40013244535 is an apocalyptic number.

40013244535 is a deficient number, since it is larger than the sum of its proper divisors (13250456969).

40013244535 is a wasteful number, since it uses less digits than its factorization.

40013244535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20695.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40013244535 its reverse (53544231004), we get a palindrome (93557475539).

The spelling of 40013244535 in words is "forty billion, thirteen million, two hundred forty-four thousand, five hundred thirty-five".