1444023361 has 16 divisors (see below), whose sum is σ = 1645790400. Its totient is φ = 1254904000.

The previous prime is 1444023311. The next prime is 1444023461. The reversal of 1444023361 is 1633204441.

It is a cyclic number.

It is not a de Polignac number, because 1444023361 - 2⁷ = 1444023233 is a prime.

It is a super-2 number, since 2×1444023361² = 4170406934227472642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444023311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9810 + ... + 54628.

It is an arithmetic number, because the mean of its divisors is an integer number (102861900).

Almost surely, 2^1444023361 is an apocalyptic number.

1444023361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444023361 is a deficient number, since it is larger than the sum of its proper divisors (201767039).

1444023361 is a wasteful number, since it uses less digits than its factorization.

1444023361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44960.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1444023361 is about 38000.3073803358. The cubic root of 1444023361 is about 1130.2939588166.

The spelling of 1444023361 in words is "one billion, four hundred forty-four million, twenty-three thousand, three hundred sixty-one".