532400560645 has 8 divisors (see below), whose sum is σ = 647632463256. Its totient is φ = 420085921536.

The previous prime is 532400560631. The next prime is 532400560661. The reversal of 532400560645 is 546065004235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 245772028516 + 286628532129 = 495754^2 + 535377^2 .

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 532400560645 - 2³⁵ = 498040822277 is a prime.

It is a super-2 number, since 2×532400560645² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 532400560598 and 532400560607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729315472 + ... + 729316201.

It is an arithmetic number, because the mean of its divisors is an integer number (80954057907).

Almost surely, 2^532400560645 is an apocalyptic number.

It is an amenable number.

532400560645 is a deficient number, since it is larger than the sum of its proper divisors (115231902611).

532400560645 is a wasteful number, since it uses less digits than its factorization.

532400560645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458631751.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 532400560645 in words is "five hundred thirty-two billion, four hundred million, five hundred sixty thousand, six hundred forty-five".