40124533513 has 4 divisors (see below), whose sum is σ = 40978247040. Its totient is φ = 39270819988.

The previous prime is 40124533499. The next prime is 40124533549. The reversal of 40124533513 is 31533542104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40124533513 - 2⁵ = 40124533481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40124533573) 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 3 ways as a sum of consecutive naturals, for example, 426856693 + ... + 426856786.

It is an arithmetic number, because the mean of its divisors is an integer number (10244561760).

Almost surely, 2^40124533513 is an apocalyptic number.

It is an amenable number.

40124533513 is a deficient number, since it is larger than the sum of its proper divisors (853713527).

40124533513 is an equidigital number, since it uses as much as digits as its factorization.

40124533513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853713526.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 40124533513 in words is "forty billion, one hundred twenty-four million, five hundred thirty-three thousand, five hundred thirteen".