1444998672 has 90 divisors (see below), whose sum is σ = 4379068122. Its totient is φ = 444607488.

The previous prime is 1444998661. The next prime is 1444998673. The reversal of 1444998672 is 2768994441.

1444998672 is a `hidden beast` number, since 1 + 4 + 4 + 499 + 86 + 72 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 86044176 + 1358954496 = 9276^2 + 36864^2 .

It is not an unprimeable number, because it can be changed into a prime (1444998673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5353 + ... + 54024.

Almost surely, 2^1444998672 is an apocalyptic number.

1444998672 is a gapful number since it is divisible by the number (12) 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 1444998672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189534061).

1444998672 is an abundant number, since it is smaller than the sum of its proper divisors (2934069450).

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

1444998672 is a wasteful number, since it uses less digits than its factorization.

1444998672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59417 (or 59395 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1444998672 is about 38013.1381498555. The cubic root of 1444998672 is about 1130.5483729914.

The spelling of 1444998672 in words is "one billion, four hundred forty-four million, nine hundred ninety-eight thousand, six hundred seventy-two".