344684486478 has 32 divisors (see below), whose sum is σ = 725749488000. Its totient is φ = 108833042016.

The previous prime is 344684486381. The next prime is 344684486479. The reversal of 344684486478 is 874684486443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344684486479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660325 + ... + 1060847.

It is an arithmetic number, because the mean of its divisors is an integer number (22679671500).

Almost surely, 2^344684486478 is an apocalyptic number.

344684486478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

344684486478 is an abundant number, since it is smaller than the sum of its proper divisors (381065001522).

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

344684486478 is a wasteful number, since it uses less digits than its factorization.

344684486478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408096.

The product of its digits is 396361728, while the sum is 66.

The spelling of 344684486478 in words is "three hundred forty-four billion, six hundred eighty-four million, four hundred eighty-six thousand, four hundred seventy-eight".