340403496543 has 80 divisors (see below), whose sum is σ = 573057239040. Its totient is φ = 199499889600.

The previous prime is 340403496539. The next prime is 340403496553. The reversal of 340403496543 is 345694304043.

340403496543 is a `hidden beast` number, since 34 + 0 + 40 + 34 + 9 + 6 + 543 = 666.

It is not a de Polignac number, because 340403496543 - 2² = 340403496539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340403496553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 44383113 + ... + 44390781.

It is an arithmetic number, because the mean of its divisors is an integer number (7163215488).

Almost surely, 2^340403496543 is an apocalyptic number.

340403496543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340403496543 is a deficient number, since it is larger than the sum of its proper divisors (232653742497).

340403496543 is a wasteful number, since it uses less digits than its factorization.

340403496543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 340403496543 in words is "three hundred forty billion, four hundred three million, four hundred ninety-six thousand, five hundred forty-three".