36315381872 has 160 divisors (see below), whose sum is σ = 92488366080. Its totient is φ = 13382634240.

The previous prime is 36315381871. The next prime is 36315381877. The reversal of 36315381872 is 27818351363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36315381871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27784643 + ... + 27785949.

It is an arithmetic number, because the mean of its divisors is an integer number (578052288).

Almost surely, 2^36315381872 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 36315381872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46244183040).

36315381872 is an abundant number, since it is smaller than the sum of its proper divisors (56172984208).

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

36315381872 is a wasteful number, since it uses less digits than its factorization.

36315381872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2533 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 36315381872 in words is "thirty-six billion, three hundred fifteen million, three hundred eighty-one thousand, eight hundred seventy-two".