56177306440 has 32 divisors (see below), whose sum is σ = 126848783160. Its totient is φ = 22390950400.

The previous prime is 56177306407. The next prime is 56177306461. The reversal of 56177306440 is 4460377165.

It can be written as a sum of positive squares in 4 ways, for example, as 56156676676 + 20629764 = 236974^2 + 4542^2 .

It is an unprimeable number.

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, 2487751 + ... + 2510230.

Almost surely, 2^56177306440 is an apocalyptic number.

It is an amenable number.

56177306440 is an abundant number, since it is smaller than the sum of its proper divisors (70671476720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56177306440 is a wasteful number, since it uses less digits than its factorization.

56177306440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998273 (or 4998269 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 56177306440 in words is "fifty-six billion, one hundred seventy-seven million, three hundred six thousand, four hundred forty".