56405200465465 has 8 divisors (see below), whose sum is σ = 69515598411720. Its totient is φ = 43904588470272.

The previous prime is 56405200465463. The next prime is 56405200465531. The reversal of 56405200465465 is 56456400250465.

It can be written as a sum of positive squares in 4 ways, for example, as 36683820818089 + 19721379647376 = 6056717^2 + 4440876^2 .

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 56405200465465 - 2¹ = 56405200465463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56405200465463) 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, 152446487560 + ... + 152446487929.

It is an arithmetic number, because the mean of its divisors is an integer number (8689449801465).

Almost surely, 2^{56405200465465} is an apocalyptic number.

It is an amenable number.

56405200465465 is a deficient number, since it is larger than the sum of its proper divisors (13110397946255).

56405200465465 is a wasteful number, since it uses less digits than its factorization.

56405200465465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304892975531.

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 56405200465465 in words is "fifty-six trillion, four hundred five billion, two hundred million, four hundred sixty-five thousand, four hundred sixty-five".