340404321002140 has 12 divisors (see below), whose sum is σ = 714849074104536. Its totient is φ = 136161728400848.

The previous prime is 340404321002089. The next prime is 340404321002143. The reversal of 340404321002140 is 41200123404043.

It is a super-3 number, since 3×340404321002140³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340404321002099 and 340404321002108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340404321002143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510108025034 + ... + 8510108025073.

It is an arithmetic number, because the mean of its divisors is an integer number (59570756175378).

Almost surely, 2^{340404321002140} is an apocalyptic number.

It is an amenable number.

340404321002140 is an abundant number, since it is smaller than the sum of its proper divisors (374444753102396).

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

340404321002140 is a wasteful number, since it uses less digits than its factorization.

340404321002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020216050116 (or 17020216050114 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 340404321002140 its reverse (41200123404043), we get a palindrome (381604444406183).

The spelling of 340404321002140 in words is "three hundred forty trillion, four hundred four billion, three hundred twenty-one million, two thousand, one hundred forty".