40472224013 has 8 divisors (see below), whose sum is σ = 43587669048. Its totient is φ = 37357092864.

The previous prime is 40472223947. The next prime is 40472224019. The reversal of 40472224013 is 31042227404.

It can be written as a sum of positive squares in 4 ways, for example, as 206985769 + 40265238244 = 14387^2 + 200662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40472224013 - 2²⁸ = 40203788557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472224019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236045 + ... + 369677.

It is an arithmetic number, because the mean of its divisors is an integer number (5448458631).

Almost surely, 2^40472224013 is an apocalyptic number.

It is an amenable number.

40472224013 is a deficient number, since it is larger than the sum of its proper divisors (3115445035).

40472224013 is a wasteful number, since it uses less digits than its factorization.

40472224013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156943.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 40472224013 in words is "forty billion, four hundred seventy-two million, two hundred twenty-four thousand, thirteen".