240004178242 has 8 divisors (see below), whose sum is σ = 360008389836. Its totient is φ = 120001381632.

The previous prime is 240004178179. The next prime is 240004178273. The reversal of 240004178242 is 242871400042.

It can be written as a sum of positive squares in 2 ways, for example, as 233278374121 + 6725804121 = 482989^2 + 82011^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 240004178198 and 240004178207.

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, 351498 + ... + 776890.

Almost surely, 2^240004178242 is an apocalyptic number.

240004178242 is a deficient number, since it is larger than the sum of its proper divisors (120004211594).

240004178242 is a wasteful number, since it uses less digits than its factorization.

240004178242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707492.

The product of its (nonzero) digits is 28672, while the sum is 34.

Adding to 240004178242 its reverse (242871400042), we get a palindrome (482875578284).

The spelling of 240004178242 in words is "two hundred forty billion, four million, one hundred seventy-eight thousand, two hundred forty-two".