1443910442 has 8 divisors (see below), whose sum is σ = 2332470756. Its totient is φ = 666420192.

The previous prime is 1443910439. The next prime is 1443910463. The reversal of 1443910442 is 2440193441.

It can be written as a sum of positive squares in 2 ways, for example, as 1432546801 + 11363641 = 37849^2 + 3371^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1443910399 and 1443910408.

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, 27767483 + ... + 27767534.

Almost surely, 2^1443910442 is an apocalyptic number.

1443910442 is a deficient number, since it is larger than the sum of its proper divisors (888560314).

1443910442 is a wasteful number, since it uses less digits than its factorization.

1443910442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55535032.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1443910442 is about 37998.8215869914. The cubic root of 1443910442 is about 1130.2644959990.

The spelling of 1443910442 in words is "one billion, four hundred forty-three million, nine hundred ten thousand, four hundred forty-two".