1444395550 has 24 divisors (see below), whose sum is σ = 2893236696. Its totient is φ = 533315040.

The previous prime is 1444395509. The next prime is 1444395553. The reversal of 1444395550 is 555934441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444395553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110424 + ... + 1111723.

It is an arithmetic number, because the mean of its divisors is an integer number (120551529).

Almost surely, 2^1444395550 is an apocalyptic number.

1444395550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444395550 is an abundant number, since it is smaller than the sum of its proper divisors (1448841146).

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

1444395550 is a wasteful number, since it uses less digits than its factorization.

1444395550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222172 (or 2222167 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 1444395550 is about 38005.2042488920. The cubic root of 1444395550 is about 1130.3910594711.

The spelling of 1444395550 in words is "one billion, four hundred forty-four million, three hundred ninety-five thousand, five hundred fifty".