240228369687 has 4 divisors (see below), whose sum is σ = 320304492920. Its totient is φ = 160152246456.

The previous prime is 240228369679. The next prime is 240228369701. The reversal of 240228369687 is 786963822042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240228369687 - 2³ = 240228369679 is a prime.

It is a super-3 number, since 3×240228369687³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240228369617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40038061612 + ... + 40038061617.

It is an arithmetic number, because the mean of its divisors is an integer number (80076123230).

Almost surely, 2^240228369687 is an apocalyptic number.

240228369687 is a deficient number, since it is larger than the sum of its proper divisors (80076123233).

240228369687 is an equidigital number, since it uses as much as digits as its factorization.

240228369687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80076123232.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 240228369687 in words is "two hundred forty billion, two hundred twenty-eight million, three hundred sixty-nine thousand, six hundred eighty-seven".