340121848404 has 288 divisors, whose sum is σ = 935083269120. Its totient is φ = 95850832896.

The previous prime is 340121848379. The next prime is 340121848411. The reversal of 340121848404 is 404848121043.

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

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 95 ways as a sum of consecutive naturals, for example, 170657232 + ... + 170659224.

Almost surely, 2^340121848404 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 340121848404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467541634560).

340121848404 is an abundant number, since it is smaller than the sum of its proper divisors (594961420716).

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

340121848404 is a wasteful number, since it uses less digits than its factorization.

340121848404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

Adding to 340121848404 its reverse (404848121043), we get a palindrome (744969969447).

The spelling of 340121848404 in words is "three hundred forty billion, one hundred twenty-one million, eight hundred forty-eight thousand, four hundred four".