1706440412928 has 144 divisors (see below), whose sum is σ = 4781620771200. Its totient is φ = 538766807040.

The previous prime is 1706440412927. The next prime is 1706440412977. The reversal of 1706440412928 is 8292140446071.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706440412927) 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, 102412918 + ... + 102429578.

It is an arithmetic number, because the mean of its divisors is an integer number (33205699800).

Almost surely, 2^{1706440412928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1706440412928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2390810385600).

1706440412928 is an abundant number, since it is smaller than the sum of its proper divisors (3075180358272).

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

1706440412928 is a wasteful number, since it uses less digits than its factorization.

1706440412928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23718 (or 23704 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

Adding to 1706440412928 its reverse (8292140446071), we get a palindrome (9998580858999).

The spelling of 1706440412928 in words is "one trillion, seven hundred six billion, four hundred forty million, four hundred twelve thousand, nine hundred twenty-eight".