340397885191 has 32 divisors (see below), whose sum is σ = 434534825088. Its totient is φ = 259451942400.

The previous prime is 340397885189. The next prime is 340397885207. The reversal of 340397885191 is 191588793043.

It is not a de Polignac number, because 340397885191 - 2¹ = 340397885189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340397888191) 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, 160420 + ... + 840553.

It is an arithmetic number, because the mean of its divisors is an integer number (13579213284).

Almost surely, 2^340397885191 is an apocalyptic number.

340397885191 is a deficient number, since it is larger than the sum of its proper divisors (94136939897).

340397885191 is a wasteful number, since it uses less digits than its factorization.

340397885191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001131.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 340397885191 in words is "three hundred forty billion, three hundred ninety-seven million, eight hundred eighty-five thousand, one hundred ninety-one".