1101444320 has 24 divisors (see below), whose sum is σ = 2602162584. Its totient is φ = 440577664.

The previous prime is 1101444317. The next prime is 1101444359. The reversal of 1101444320 is 234441011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1101444292 and 1101444301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441854 + ... + 3442173.

It is an arithmetic number, because the mean of its divisors is an integer number (108423441).

Almost surely, 2^1101444320 is an apocalyptic number.

1101444320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101444320 is an abundant number, since it is smaller than the sum of its proper divisors (1500718264).

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

1101444320 is an equidigital number, since it uses as much as digits as its factorization.

1101444320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884042 (or 6884034 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1101444320 is about 33188.0147041067. The cubic root of 1101444320 is about 1032.7317187130.

Adding to 1101444320 its reverse (234441011), we get a palindrome (1335885331).

The spelling of 1101444320 in words is "one billion, one hundred one million, four hundred forty-four thousand, three hundred twenty".