1444619960 has 128 divisors (see below), whose sum is σ = 3846528000. Its totient is φ = 487992960.

The previous prime is 1444619941. The next prime is 1444619987. The reversal of 1444619960 is 699164441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973379 + ... + 974861.

It is an arithmetic number, because the mean of its divisors is an integer number (30051000).

Almost surely, 2^1444619960 is an apocalyptic number.

1444619960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444619960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923264000).

1444619960 is an abundant number, since it is smaller than the sum of its proper divisors (2401908040).

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

1444619960 is a wasteful number, since it uses less digits than its factorization.

1444619960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1444619960 is about 38008.1564930476. The cubic root of 1444619960 is about 1130.4495978960.

The spelling of 1444619960 in words is "one billion, four hundred forty-four million, six hundred nineteen thousand, nine hundred sixty".