536642001544 has 96 divisors (see below), whose sum is σ = 1118923951320. Its totient is φ = 241084800000.

The previous prime is 536642001529. The next prime is 536642001583. The reversal of 536642001544 is 445100246635.

It can be written as a sum of positive squares in 4 ways, for example, as 504295979044 + 32346022500 = 710138^2 + 179850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 536642001497 and 536642001506.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58754002 + ... + 58763134.

Almost surely, 2^536642001544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536642001544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559461975660).

536642001544 is an abundant number, since it is smaller than the sum of its proper divisors (582281949776).

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

536642001544 is a wasteful number, since it uses less digits than its factorization.

536642001544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863 (or 9848 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 536642001544 in words is "five hundred thirty-six billion, six hundred forty-two million, one thousand, five hundred forty-four".