1444621234 has 24 divisors (see below), whose sum is σ = 2574357120. Its totient is φ = 605948616.

The previous prime is 1444621219. The next prime is 1444621259. The reversal of 1444621234 is 4321264441.

It is a junction number, because it is equal to n+sod(n) for n = 1444621196 and 1444621205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152214 + ... + 161425.

It is an arithmetic number, because the mean of its divisors is an integer number (107264880).

Almost surely, 2^1444621234 is an apocalyptic number.

1444621234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1444621234 is a deficient number, since it is larger than the sum of its proper divisors (1129735886).

1444621234 is a wasteful number, since it uses less digits than its factorization.

1444621234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313702 (or 313695 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 1444621234 is about 38008.1732526045. The cubic root of 1444621234 is about 1130.4499302078.

Adding to 1444621234 its reverse (4321264441), we get a palindrome (5765885675).

The spelling of 1444621234 in words is "one billion, four hundred forty-four million, six hundred twenty-one thousand, two hundred thirty-four".