563440325431455 has 128 divisors (see below), whose sum is σ = 1005758141644800. Its totient is φ = 299278933747200.

The previous prime is 563440325431433. The next prime is 563440325431469. The reversal of 563440325431455 is 554134523044365.

563440325431455 is a `hidden beast` number, since 5 + 6 + 3 + 4 + 4 + 0 + 32 + 543 + 14 + 55 = 666.

It is not a de Polignac number, because 563440325431455 - 2⁶ = 563440325431391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 61370251965 + ... + 61370261145.

It is an arithmetic number, because the mean of its divisors is an integer number (7857485481600).

Almost surely, 2^{563440325431455} is an apocalyptic number.

563440325431455 is a deficient number, since it is larger than the sum of its proper divisors (442317816213345).

563440325431455 is a wasteful number, since it uses less digits than its factorization.

563440325431455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542 (or 11536 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 54.

The spelling of 563440325431455 in words is "five hundred sixty-three trillion, four hundred forty billion, three hundred twenty-five million, four hundred thirty-one thousand, four hundred fifty-five".