1444163800 has 48 divisors (see below), whose sum is σ = 3360342960. Its totient is φ = 577207680.

The previous prime is 1444163789. The next prime is 1444163879. The reversal of 1444163800 is 83614441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373477 + ... + 377323.

It is an arithmetic number, because the mean of its divisors is an integer number (70007145).

Almost surely, 2^1444163800 is an apocalyptic number.

1444163800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444163800 is an abundant number, since it is smaller than the sum of its proper divisors (1916179160).

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

1444163800 is a wasteful number, since it uses less digits than its factorization.

1444163800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740 (or 5731 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1444163800 is about 38002.1552020408. The cubic root of 1444163800 is about 1130.3306000076.

The spelling of 1444163800 in words is "one billion, four hundred forty-four million, one hundred sixty-three thousand, eight hundred".