236040030 has 96 divisors (see below), whose sum is σ = 647300160. Its totient is φ = 59558400.

The previous prime is 236040023. The next prime is 236040031. The reversal of 236040030 is 30040632.

236040030 is a `hidden beast` number, since 236 + 0 + 400 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 236039985 and 236040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236040031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208506 + ... + 209634.

It is an arithmetic number, because the mean of its divisors is an integer number (6742710).

Almost surely, 2^236040030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 236040030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323650080).

236040030 is an abundant number, since it is smaller than the sum of its proper divisors (411260130).

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

236040030 is a wasteful number, since it uses less digits than its factorization.

236040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 236040030 is about 15363.5943060210. The cubic root of 236040030 is about 618.0095986193.

Adding to 236040030 its reverse (30040632), we get a palindrome (266080662).

The spelling of 236040030 in words is "two hundred thirty-six million, forty thousand, thirty".