1444525272 has 32 divisors (see below), whose sum is σ = 4012570800. Its totient is φ = 481508352.

The previous prime is 1444525267. The next prime is 1444525283. The reversal of 1444525272 is 2725254441.

It is a super-2 number, since 2×1444525272² = 4173306522893347968, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343593 + ... + 3344024.

Almost surely, 2^1444525272 is an apocalyptic number.

1444525272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444525272 is an abundant number, since it is smaller than the sum of its proper divisors (2568045528).

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

1444525272 is a wasteful number, since it uses less digits than its factorization.

1444525272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687632 (or 6687622 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 1444525272 is about 38006.9108452660. The cubic root of 1444525272 is about 1130.4248988164.

The spelling of 1444525272 in words is "one billion, four hundred forty-four million, five hundred twenty-five thousand, two hundred seventy-two".