340172751855 has 32 divisors (see below), whose sum is σ = 577992695040. Its totient is φ = 170355709440.

The previous prime is 340172751851. The next prime is 340172751857. The reversal of 340172751855 is 558157271043.

It is not a de Polignac number, because 340172751855 - 2² = 340172751851 is a prime.

It is a super-2 number, since 2×340172751855² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340172751851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5249161 + ... + 5313570.

It is an arithmetic number, because the mean of its divisors is an integer number (18062271720).

Almost surely, 2^340172751855 is an apocalyptic number.

340172751855 is a deficient number, since it is larger than the sum of its proper divisors (237819943185).

340172751855 is a wasteful number, since it uses less digits than its factorization.

340172751855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562871.

The product of its (nonzero) digits is 1176000, while the sum is 48.

It can be divided in two parts, 34017 and 2751855, that added together give a palindrome (2785872).

The spelling of 340172751855 in words is "three hundred forty billion, one hundred seventy-two million, seven hundred fifty-one thousand, eight hundred fifty-five".