1244886442 has 8 divisors (see below), whose sum is σ = 1867880196. Its totient is φ = 622259712.

The previous prime is 1244886439. The next prime is 1244886473. The reversal of 1244886442 is 2446884421.

It can be written as a sum of positive squares in 2 ways, for example, as 1229133481 + 15752961 = 35059^2 + 3969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83113 + ... + 96940.

Almost surely, 2^1244886442 is an apocalyptic number.

1244886442 is a deficient number, since it is larger than the sum of its proper divisors (622993754).

1244886442 is a wasteful number, since it uses less digits than its factorization.

1244886442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183512.

The product of its digits is 393216, while the sum is 43.

The square root of 1244886442 is about 35282.9483178489. The cubic root of 1244886442 is about 1075.7464271899.

The spelling of 1244886442 in words is "one billion, two hundred forty-four million, eight hundred eighty-six thousand, four hundred forty-two".