1444354536 has 32 divisors (see below), whose sum is σ = 3612097440. Its totient is φ = 481290048.

The previous prime is 1444354501. The next prime is 1444354547. The reversal of 1444354536 is 6354534441.

It is a junction number, because it is equal to n+sod(n) for n = 1444354494 and 1444354503.

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, 79015 + ... + 95561.

It is an arithmetic number, because the mean of its divisors is an integer number (112878045).

Almost surely, 2^1444354536 is an apocalyptic number.

It is an amenable number.

1444354536 is an abundant number, since it is smaller than the sum of its proper divisors (2167742904).

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

1444354536 is a wasteful number, since it uses less digits than its factorization.

1444354536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193 (or 20189 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 1444354536 is about 38004.6646610650. The cubic root of 1444354536 is about 1130.3803601171.

Adding to 1444354536 its reverse (6354534441), we get a palindrome (7798888977).

The spelling of 1444354536 in words is "one billion, four hundred forty-four million, three hundred fifty-four thousand, five hundred thirty-six".