236081340 has 72 divisors (see below), whose sum is σ = 781221168. Its totient is φ = 57231360.

The previous prime is 236081323. The next prime is 236081347. The reversal of 236081340 is 43180632.

It is a happy number.

236081340 is a `hidden beast` number, since 2 + 3 + 608 + 13 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236081347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57637 + ... + 61596.

It is an arithmetic number, because the mean of its divisors is an integer number (10850294).

Almost surely, 2^236081340 is an apocalyptic number.

236081340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236081340 is an abundant number, since it is smaller than the sum of its proper divisors (545139828).

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

236081340 is a wasteful number, since it uses less digits than its factorization.

236081340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119259 (or 119254 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 236081340 is about 15364.9386591682. The cubic root of 236081340 is about 618.0456496898.

The spelling of 236081340 in words is "two hundred thirty-six million, eighty-one thousand, three hundred forty".