1226385796438 has 8 divisors (see below), whose sum is σ = 2006813121480. Its totient is φ = 557448089280.

The previous prime is 1226385796429. The next prime is 1226385796457. The reversal of 1226385796438 is 8346975836221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1226385796438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27872404443 + ... + 27872404486.

It is an arithmetic number, because the mean of its divisors is an integer number (250851640185).

Almost surely, 2^{1226385796438} is an apocalyptic number.

1226385796438 is a deficient number, since it is larger than the sum of its proper divisors (780427325042).

1226385796438 is a wasteful number, since it uses less digits than its factorization.

1226385796438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55744808942.

The product of its digits is 104509440, while the sum is 64.

The spelling of 1226385796438 in words is "one trillion, two hundred twenty-six billion, three hundred eighty-five million, seven hundred ninety-six thousand, four hundred thirty-eight".