1244205350426 has 4 divisors (see below), whose sum is σ = 1866308025642. Its totient is φ = 622102675212.

The previous prime is 1244205350383. The next prime is 1244205350429. The reversal of 1244205350426 is 6240535024421.

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., 1163267945401 + 80937405025 = 1078549^2 + 284495^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1244205350426.

It is not an unprimeable number, because it can be changed into a prime (1244205350429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311051337605 + ... + 311051337608.

Almost surely, 2^{1244205350426} is an apocalyptic number.

1244205350426 is a deficient number, since it is larger than the sum of its proper divisors (622102675216).

1244205350426 is an equidigital number, since it uses as much as digits as its factorization.

1244205350426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622102675215.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 1244205350426 in words is "one trillion, two hundred forty-four billion, two hundred five million, three hundred fifty thousand, four hundred twenty-six".