240002402 has 4 divisors (see below), whose sum is σ = 360003606. Its totient is φ = 120001200.

The previous prime is 240002377. The next prime is 240002423. The reversal of 240002402 is 204200042.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 207043321 + 32959081 = 14389^2 + 5741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000599 + ... + 60000602.

Almost surely, 2^240002402 is an apocalyptic number.

240002402 is a deficient number, since it is larger than the sum of its proper divisors (120001204).

240002402 is a wasteful number, since it uses less digits than its factorization.

240002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120001203.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240002402 is about 15492.0109088523. The cubic root of 240002402 is about 621.4485743984.

Adding to 240002402 its reverse (204200042), we get a palindrome (444202444).

The spelling of 240002402 in words is "two hundred forty million, two thousand, four hundred two".