1444023426 has 8 divisors (see below), whose sum is σ = 2888046864. Its totient is φ = 481341140.

The previous prime is 1444023311. The next prime is 1444023461. The reversal of 1444023426 is 6243204441.

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

1444023426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1444023393 and 1444023402.

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, 120335280 + ... + 120335291.

It is an arithmetic number, because the mean of its divisors is an integer number (361005858).

Almost surely, 2^1444023426 is an apocalyptic number.

1444023426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444023426 is a wasteful number, since it uses less digits than its factorization.

1444023426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240670576.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 1444023426 is about 38000.3082355920. The cubic root of 1444023426 is about 1130.2939757759.

Adding to 1444023426 its reverse (6243204441), we get a palindrome (7687227867).

The spelling of 1444023426 in words is "one billion, four hundred forty-four million, twenty-three thousand, four hundred twenty-six".