36556436436 has 96 divisors (see below), whose sum is σ = 92363040000. Its totient is φ = 11186712576.

The previous prime is 36556436429. The next prime is 36556436437. The reversal of 36556436436 is 63463465563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36556436437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29267940 + ... + 29269188.

It is an arithmetic number, because the mean of its divisors is an integer number (962115000).

Almost surely, 2^36556436436 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 36556436436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46181520000).

36556436436 is an abundant number, since it is smaller than the sum of its proper divisors (55806603564).

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

36556436436 is a wasteful number, since it uses less digits than its factorization.

36556436436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2143 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 51.

The spelling of 36556436436 in words is "thirty-six billion, five hundred fifty-six million, four hundred thirty-six thousand, four hundred thirty-six".