402268678606 has 4 divisors (see below), whose sum is σ = 603403017912. Its totient is φ = 201134339302.

The previous prime is 402268678583. The next prime is 402268678639. The reversal of 402268678606 is 606876862204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100567169650 + ... + 100567169653.

It is an arithmetic number, because the mean of its divisors is an integer number (150850754478).

Almost surely, 2^402268678606 is an apocalyptic number.

402268678606 is a deficient number, since it is larger than the sum of its proper divisors (201134339306).

402268678606 is a wasteful number, since it uses less digits than its factorization.

402268678606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201134339305.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 402268678606 in words is "four hundred two billion, two hundred sixty-eight million, six hundred seventy-eight thousand, six hundred six".