1444992972 has 12 divisors (see below), whose sum is σ = 3371650296. Its totient is φ = 481664320.

The previous prime is 1444992893. The next prime is 1444992973. The reversal of 1444992972 is 2792994441.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1444992973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60208029 + ... + 60208052.

It is an arithmetic number, because the mean of its divisors is an integer number (280970858).

Almost surely, 2^1444992972 is an apocalyptic number.

1444992972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1444992972 is an abundant number, since it is smaller than the sum of its proper divisors (1926657324).

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

1444992972 is a wasteful number, since it uses less digits than its factorization.

1444992972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120416088 (or 120416086 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 1444992972 is about 38013.0631757032. The cubic root of 1444992972 is about 1130.5468864539.

The spelling of 1444992972 in words is "one billion, four hundred forty-four million, nine hundred ninety-two thousand, nine hundred seventy-two".