340143610620 has 144 divisors (see below), whose sum is σ = 1047195354240. Its totient is φ = 82432268160.

The previous prime is 340143610607. The next prime is 340143610657. The reversal of 340143610620 is 26016341043.

It is a super-2 number, since 2×340143610620² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 31089111 + ... + 31100049.

It is an arithmetic number, because the mean of its divisors is an integer number (7272189960).

Almost surely, 2^340143610620 is an apocalyptic number.

340143610620 is a gapful number since it is divisible by the number (30) 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 340143610620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523597677120).

340143610620 is an abundant number, since it is smaller than the sum of its proper divisors (707051743620).

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

340143610620 is a wasteful number, since it uses less digits than its factorization.

340143610620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256 (or 15243 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 340143610620 its reverse (26016341043), we get a palindrome (366159951663).

The spelling of 340143610620 in words is "three hundred forty billion, one hundred forty-three million, six hundred ten thousand, six hundred twenty".