536561216044 has 24 divisors (see below), whose sum is σ = 1107739286528. Its totient is φ = 222536909520.

The previous prime is 536561216003. The next prime is 536561216077. The reversal of 536561216044 is 440612165635.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309078174 + ... + 309079909.

Almost surely, 2^536561216044 is an apocalyptic number.

It is an amenable number.

536561216044 is an abundant number, since it is smaller than the sum of its proper divisors (571178070484).

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

536561216044 is a wasteful number, since it uses less digits than its factorization.

536561216044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618158125 (or 618158123 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 536561216044 in words is "five hundred thirty-six billion, five hundred sixty-one million, two hundred sixteen thousand, forty-four".