1343802240 has 384 divisors, whose sum is σ = 5132574720. Its totient is φ = 321269760.

The previous prime is 1343802199. The next prime is 1343802253. The reversal of 1343802240 is 422083431.

1343802240 is a `hidden beast` number, since 1 + 3 + 438 + 0 + 224 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8046637 + ... + 8046803.

It is an arithmetic number, because the mean of its divisors is an integer number (13366080).

Almost surely, 2^1343802240 is an apocalyptic number.

1343802240 is a gapful number since it is divisible by the number (10) 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 1343802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566287360).

1343802240 is an abundant number, since it is smaller than the sum of its proper divisors (3788772480).

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

1343802240 is a wasteful number, since it uses less digits than its factorization.

1343802240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1343802240 is about 36657.9082872987. The cubic root of 1343802240 is about 1103.5155404326.

Adding to 1343802240 its reverse (422083431), we get a palindrome (1765885671).

The spelling of 1343802240 in words is "one billion, three hundred forty-three million, eight hundred two thousand, two hundred forty".