340435646535520 has 24 divisors (see below), whose sum is σ = 804279214940544. Its totient is φ = 136174258614144.

The previous prime is 340435646535499. The next prime is 340435646535521. The reversal of 340435646535520 is 25535646534043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340435646535521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063861395264 + ... + 1063861395583.

It is an arithmetic number, because the mean of its divisors is an integer number (33511633955856).

Almost surely, 2^{340435646535520} is an apocalyptic number.

It is an amenable number.

340435646535520 is an abundant number, since it is smaller than the sum of its proper divisors (463843568405024).

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

340435646535520 is a wasteful number, since it uses less digits than its factorization.

340435646535520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127722790862 (or 2127722790854 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 55.

The spelling of 340435646535520 in words is "three hundred forty trillion, four hundred thirty-five billion, six hundred forty-six million, five hundred thirty-five thousand, five hundred twenty".