236886840340 has 48 divisors (see below), whose sum is σ = 526765054032. Its totient is φ = 89174122496.

The previous prime is 236886840301. The next prime is 236886840371. The reversal of 236886840340 is 43048688632.

It can be written as a sum of positive squares in 8 ways, for example, as 28657072656 + 208229767684 = 169284^2 + 456322^2 .

It is a super-2 number, since 2×236886840340² (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 15 ways as a sum of consecutive naturals, for example, 7946904 + ... + 7976656.

It is an arithmetic number, because the mean of its divisors is an integer number (10974271959).

Almost surely, 2^236886840340 is an apocalyptic number.

236886840340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236886840340 is an abundant number, since it is smaller than the sum of its proper divisors (289878213692).

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

236886840340 is a wasteful number, since it uses less digits than its factorization.

236886840340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53196 (or 53194 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 236886840340 in words is "two hundred thirty-six billion, eight hundred eighty-six million, eight hundred forty thousand, three hundred forty".