1444770450 has 144 divisors (see below), whose sum is σ = 4197261120. Its totient is φ = 355052160.

The previous prime is 1444770443. The next prime is 1444770493. The reversal of 1444770450 is 540774441.

It is a happy number.

1444770450 is a `hidden beast` number, since 144 + 477 + 0 + 45 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 314067 + ... + 318633.

Almost surely, 2^1444770450 is an apocalyptic number.

1444770450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444770450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2098630560).

1444770450 is an abundant number, since it is smaller than the sum of its proper divisors (2752490670).

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

1444770450 is a wasteful number, since it uses less digits than its factorization.

1444770450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 1444770450 is about 38010.1361481382. The cubic root of 1444770450 is about 1130.4888505387.

The spelling of 1444770450 in words is "one billion, four hundred forty-four million, seven hundred seventy thousand, four hundred fifty".