236856315036 has 144 divisors (see below), whose sum is σ = 653511438720. Its totient is φ = 66158778240.

The previous prime is 236856315011. The next prime is 236856315067. The reversal of 236856315036 is 630513658632.

It is a super-2 number, since 2×236856315036² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1695955 + ... + 1830293.

It is an arithmetic number, because the mean of its divisors is an integer number (4538273880).

Almost surely, 2^236856315036 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 236856315036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326755719360).

236856315036 is an abundant number, since it is smaller than the sum of its proper divisors (416655123684).

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

236856315036 is a wasteful number, since it uses less digits than its factorization.

236856315036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134432 (or 134411 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 236856315036 in words is "two hundred thirty-six billion, eight hundred fifty-six million, three hundred fifteen thousand, thirty-six".