1342443648 has 256 divisors, whose sum is σ = 4500599040. Its totient is φ = 345047040.

The previous prime is 1342443643. The next prime is 1342443649. The reversal of 1342443648 is 8463442431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1342443643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1432236 + ... + 1433172.

It is an arithmetic number, because the mean of its divisors is an integer number (17580465).

Almost surely, 2^1342443648 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 1342443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250299520).

1342443648 is an abundant number, since it is smaller than the sum of its proper divisors (3158155392).

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

1342443648 is a wasteful number, since it uses less digits than its factorization.

1342443648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1003 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The square root of 1342443648 is about 36639.3729203981. The cubic root of 1342443648 is about 1103.1435281263.

The spelling of 1342443648 in words is "one billion, three hundred forty-two million, four hundred forty-three thousand, six hundred forty-eight".