340660540 has 48 divisors (see below), whose sum is σ = 782014464. Its totient is φ = 123624000.

The previous prime is 340660531. The next prime is 340660543. The reversal of 340660540 is 45066043.

It is a junction number, because it is equal to n+sod(n) for n = 340660499 and 340660508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340660543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132265 + ... + 134815.

It is an arithmetic number, because the mean of its divisors is an integer number (16291968).

Almost surely, 2^340660540 is an apocalyptic number.

It is an amenable number.

340660540 is an abundant number, since it is smaller than the sum of its proper divisors (441353924).

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

340660540 is a wasteful number, since it uses less digits than its factorization.

340660540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 340660540 is about 18456.9916291903. The cubic root of 340660540 is about 698.4048985895.

The spelling of 340660540 in words is "three hundred forty million, six hundred sixty thousand, five hundred forty".