1332404444 has 72 divisors (see below), whose sum is σ = 2954273280. Its totient is φ = 514001664.

The previous prime is 1332404417. The next prime is 1332404503. The reversal of 1332404444 is 4444042331.

It is a happy number.

It is a super-3 number, since 3×1332404444³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 182537 + ... + 189695.

Almost surely, 2^1332404444 is an apocalyptic number.

1332404444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1332404444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477136640).

1332404444 is an abundant number, since it is smaller than the sum of its proper divisors (1621868836).

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

1332404444 is a wasteful number, since it uses less digits than its factorization.

1332404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7227 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1332404444 is about 36502.1156099205. The cubic root of 1332404444 is about 1100.3867631706.

Adding to 1332404444 its reverse (4444042331), we get a palindrome (5776446775).

The spelling of 1332404444 in words is "one billion, three hundred thirty-two million, four hundred four thousand, four hundred forty-four".