340371621020 has 24 divisors (see below), whose sum is σ = 756826311024. Its totient is φ = 128139904256.

The previous prime is 340371620983. The next prime is 340371621061. The reversal of 340371621020 is 20126173043.

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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500546162 + ... + 500546841.

It is an arithmetic number, because the mean of its divisors is an integer number (31534429626).

Almost surely, 2^340371621020 is an apocalyptic number.

It is an amenable number.

340371621020 is an abundant number, since it is smaller than the sum of its proper divisors (416454690004).

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

340371621020 is a wasteful number, since it uses less digits than its factorization.

340371621020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001093029 (or 1001093027 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 340371621020 its reverse (20126173043), we get a palindrome (360497794063).

The spelling of 340371621020 in words is "three hundred forty billion, three hundred seventy-one million, six hundred twenty-one thousand, twenty".