340152323420 has 192 divisors, whose sum is σ = 886969681920. Its totient is φ = 106700571648.

The previous prime is 340152323393. The next prime is 340152323431. The reversal of 340152323420 is 24323251043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120662771 + ... + 120665589.

It is an arithmetic number, because the mean of its divisors is an integer number (4619633760).

Almost surely, 2^340152323420 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 340152323420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443484840960).

340152323420 is an abundant number, since it is smaller than the sum of its proper divisors (546817358500).

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

340152323420 is a wasteful number, since it uses less digits than its factorization.

340152323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 340152323420 its reverse (24323251043), we get a palindrome (364475574463).

The spelling of 340152323420 in words is "three hundred forty billion, one hundred fifty-two million, three hundred twenty-three thousand, four hundred twenty".