2662440020426 has 8 divisors (see below), whose sum is σ = 3993703271040. Its totient is φ = 1331205596748.

The previous prime is 2662440020369. The next prime is 2662440020431. The reversal of 2662440020426 is 6240200442662.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2662440020426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974336 + ... + 7346171.

It is an arithmetic number, because the mean of its divisors is an integer number (499212908880).

Almost surely, 2^{2662440020426} is an apocalyptic number.

2662440020426 is a deficient number, since it is larger than the sum of its proper divisors (1331263250614).

2662440020426 is a wasteful number, since it uses less digits than its factorization.

2662440020426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413468.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 2662440020426 in words is "two trillion, six hundred sixty-two billion, four hundred forty million, twenty thousand, four hundred twenty-six".