56400071269 has 8 divisors (see below), whose sum is σ = 56671144920. Its totient is φ = 56129627136.

The previous prime is 56400071243. The next prime is 56400071279. The reversal of 56400071269 is 96217000465.

It can be written as a sum of positive squares in 4 ways, for example, as 28121613025 + 28278458244 = 167695^2 + 168162^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56400071269 - 2¹³ = 56400063077 is a prime.

It is a super-2 number, since 2×56400071269² (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 (56400071239) 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 7 ways as a sum of consecutive naturals, for example, 22729 + ... + 336625.

It is an arithmetic number, because the mean of its divisors is an integer number (7083893115).

Almost surely, 2^56400071269 is an apocalyptic number.

It is an amenable number.

56400071269 is a deficient number, since it is larger than the sum of its proper divisors (271073651).

56400071269 is a wasteful number, since it uses less digits than its factorization.

56400071269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314759.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 56400071269 in words is "fifty-six billion, four hundred million, seventy-one thousand, two hundred sixty-nine".