340305503044 has 48 divisors (see below), whose sum is σ = 654757992000. Its totient is φ = 153791164800.

The previous prime is 340305503023. The next prime is 340305503047. The reversal of 340305503044 is 440305503043.

It is a junction number, because it is equal to n+sod(n) for n = 340305502997 and 340305503015.

It is not an unprimeable number, because it can be changed into a prime (340305503047) 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, 1251519 + ... + 1498969.

It is an arithmetic number, because the mean of its divisors is an integer number (13640791500).

Almost surely, 2^340305503044 is an apocalyptic number.

It is an amenable number.

340305503044 is a deficient number, since it is larger than the sum of its proper divisors (314452488956).

340305503044 is a wasteful number, since it uses less digits than its factorization.

340305503044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248020 (or 248018 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Subtracting 340305503044 from its reverse (440305503043), we obtain a palindrome (99999999999).

The spelling of 340305503044 in words is "three hundred forty billion, three hundred five million, five hundred three thousand, forty-four".