240646402 has 4 divisors (see below), whose sum is σ = 360969606. Its totient is φ = 120323200.

The previous prime is 240646369. The next prime is 240646411. The reversal of 240646402 is 204646042.

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., 130165281 + 110481121 = 11409^2 + 10511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60161599 + ... + 60161602.

Almost surely, 2^240646402 is an apocalyptic number.

240646402 is a deficient number, since it is larger than the sum of its proper divisors (120323204).

240646402 is a wasteful number, since it uses less digits than its factorization.

240646402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120323203.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 240646402 is about 15512.7818910729. The cubic root of 240646402 is about 622.0039236320.

The spelling of 240646402 in words is "two hundred forty million, six hundred forty-six thousand, four hundred two".