111440240402 has 8 divisors (see below), whose sum is σ = 167322183996. Its totient is φ = 55666179072.

The previous prime is 111440240399. The next prime is 111440240449. The reversal of 111440240402 is 204042044111.

It can be written as a sum of positive squares in 2 ways, for example, as 71256429721 + 40183810681 = 266939^2 + 200459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26967983 + ... + 26972114.

Almost surely, 2^111440240402 is an apocalyptic number.

111440240402 is a deficient number, since it is larger than the sum of its proper divisors (55881943594).

111440240402 is a wasteful number, since it uses less digits than its factorization.

111440240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53941132.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 111440240402 its reverse (204042044111), we get a palindrome (315482284513).

The spelling of 111440240402 in words is "one hundred eleven billion, four hundred forty million, two hundred forty thousand, four hundred two".