1444429446 has 32 divisors (see below), whose sum is σ = 3060465120. Its totient is φ = 452906496.

The previous prime is 1444429397. The next prime is 1444429451. The reversal of 1444429446 is 6449244441.

It is a junction number, because it is equal to n+sod(n) for n = 1444429398 and 1444429407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299220 + ... + 304008.

It is an arithmetic number, because the mean of its divisors is an integer number (95639535).

Almost surely, 2^1444429446 is an apocalyptic number.

1444429446 is an abundant number, since it is smaller than the sum of its proper divisors (1616035674).

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

1444429446 is a wasteful number, since it uses less digits than its factorization.

1444429446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768.

The product of its digits is 442368, while the sum is 42.

The square root of 1444429446 is about 38005.6501852027. The cubic root of 1444429446 is about 1130.3999017940.

The spelling of 1444429446 in words is "one billion, four hundred forty-four million, four hundred twenty-nine thousand, four hundred forty-six".