1353220044 has 96 divisors (see below), whose sum is σ = 3502033920. Its totient is φ = 403291200.

The previous prime is 1353220039. The next prime is 1353220051. The reversal of 1353220044 is 4400223531.

It is a junction number, because it is equal to n+sod(n) for n = 1353219996 and 1353220023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2403307 + ... + 2403869.

It is an arithmetic number, because the mean of its divisors is an integer number (36479520).

Almost surely, 2^1353220044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1353220044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751016960).

1353220044 is an abundant number, since it is smaller than the sum of its proper divisors (2148813876).

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

1353220044 is a wasteful number, since it uses less digits than its factorization.

1353220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1353220044 is about 36786.1392918583. The cubic root of 1353220044 is about 1106.0874736113.

Adding to 1353220044 its reverse (4400223531), we get a palindrome (5753443575).

The spelling of 1353220044 in words is "one billion, three hundred fifty-three million, two hundred twenty thousand, forty-four".