1332433144 has 64 divisors (see below), whose sum is σ = 2950525440. Its totient is φ = 552289920.

The previous prime is 1332433133. The next prime is 1332433147. The reversal of 1332433144 is 4413342331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332433147) 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 15 ways as a sum of consecutive naturals, for example, 207567 + ... + 213889.

It is an arithmetic number, because the mean of its divisors is an integer number (46101960).

Almost surely, 2^1332433144 is an apocalyptic number.

1332433144 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 1332433144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475262720).

1332433144 is an abundant number, since it is smaller than the sum of its proper divisors (1618092296).

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

1332433144 is a wasteful number, since it uses less digits than its factorization.

1332433144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6456 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 1332433144 is about 36502.5087357020. The cubic root of 1332433144 is about 1100.3946638931.

Adding to 1332433144 its reverse (4413342331), we get a palindrome (5745775475).

The spelling of 1332433144 in words is "one billion, three hundred thirty-two million, four hundred thirty-three thousand, one hundred forty-four".