340451312505 has 8 divisors (see below), whose sum is σ = 544722100032. Its totient is φ = 181574033328.

The previous prime is 340451312501. The next prime is 340451312521. The reversal of 340451312505 is 505213154043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340451312505 - 2² = 340451312501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340451312501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11348377069 + ... + 11348377098.

It is an arithmetic number, because the mean of its divisors is an integer number (68090262504).

Almost surely, 2^340451312505 is an apocalyptic number.

It is an amenable number.

340451312505 is a deficient number, since it is larger than the sum of its proper divisors (204270787527).

340451312505 is a wasteful number, since it uses less digits than its factorization.

340451312505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22696754175.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 340451312505 its reverse (505213154043), we get a palindrome (845664466548).

The spelling of 340451312505 in words is "three hundred forty billion, four hundred fifty-one million, three hundred twelve thousand, five hundred five".