340203606366340 has 24 divisors (see below), whose sum is σ = 714684839446872. Its totient is φ = 136032439484160.

The previous prime is 340203606366319. The next prime is 340203606366347. The reversal of 340203606366340 is 43663606302043.

It can be written as a sum of positive squares in 4 ways, for example, as 42741285933124 + 297462320433216 = 6537682^2 + 17247096^2 .

It is a super-2 number, since 2×340203606366340² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340203606366347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062634471 + ... + 3062745550.

It is an arithmetic number, because the mean of its divisors is an integer number (29778534976953).

Almost surely, 2^{340203606366340} is an apocalyptic number.

It is an amenable number.

340203606366340 is an abundant number, since it is smaller than the sum of its proper divisors (374481233080532).

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

340203606366340 is a wasteful number, since it uses less digits than its factorization.

340203606366340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125382807 (or 6125382805 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 46.

The spelling of 340203606366340 in words is "three hundred forty trillion, two hundred three billion, six hundred six million, three hundred sixty-six thousand, three hundred forty".