1444262472 has 144 divisors (see below), whose sum is σ = 4291123200. Its totient is φ = 438289920.

The previous prime is 1444262459. The next prime is 1444262497. The reversal of 1444262472 is 2742624441.

1444262472 is a `hidden beast` number, since 144 + 42 + 6 + 2 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 643929 + ... + 646167.

Almost surely, 2^1444262472 is an apocalyptic number.

1444262472 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 1444262472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2145561600).

1444262472 is an abundant number, since it is smaller than the sum of its proper divisors (2846860728).

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

1444262472 is a wasteful number, since it uses less digits than its factorization.

1444262472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2292 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 1444262472 is about 38003.4534220247. The cubic root of 1444262472 is about 1130.3563425725.

The spelling of 1444262472 in words is "one billion, four hundred forty-four million, two hundred sixty-two thousand, four hundred seventy-two".