340443895534785 has 80 divisors (see below), whose sum is σ = 716309924622336. Its totient is φ = 151425238430592.

The previous prime is 340443895534781. The next prime is 340443895534849. The reversal of 340443895534785 is 587435598344043.

340443895534785 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 4 + 3 + 8 + 9 + 5 + 534 + 7 + 85 = 666.

It is not a de Polignac number, because 340443895534785 - 2² = 340443895534781 is a prime.

It is a super-2 number, since 2×340443895534785² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (340443895534781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1622679297 + ... + 1622889086.

Almost surely, 2^{340443895534785} is an apocalyptic number.

340443895534785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340443895534785 is an abundant number, since it is smaller than the sum of its proper divisors (375866029087551).

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

340443895534785 is a wasteful number, since it uses less digits than its factorization.

340443895534785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245568444 (or 3245568435 counting only the distinct ones).

The product of its (nonzero) digits is 3483648000, while the sum is 72.

The spelling of 340443895534785 in words is "three hundred forty trillion, four hundred forty-three billion, eight hundred ninety-five million, five hundred thirty-four thousand, seven hundred eighty-five".