240420002 has 4 divisors (see below), whose sum is σ = 360630006. Its totient is φ = 120210000.

The previous prime is 240419983. The next prime is 240420071. The reversal of 240420002 is 200024042.

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., 239661361 + 758641 = 15481^2 + 871^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60104999 + ... + 60105002.

Almost surely, 2^240420002 is an apocalyptic number.

240420002 is a deficient number, since it is larger than the sum of its proper divisors (120210004).

240420002 is a wasteful number, since it uses less digits than its factorization.

240420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120210003.

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

The square root of 240420002 is about 15505.4829657125. The cubic root of 240420002 is about 621.8088021149.

Adding to 240420002 its reverse (200024042), we get a palindrome (440444044).

The spelling of 240420002 in words is "two hundred forty million, four hundred twenty thousand, two".