17090442720 has 864 divisors, whose sum is σ = 69655451040. Its totient is φ = 3959414784.

The previous prime is 17090442701. The next prime is 17090442763. The reversal of 17090442720 is 2724409071.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1005320152 + ... + 1005320168.

It is an arithmetic number, because the mean of its divisors is an integer number (80619735).

Almost surely, 2^17090442720 is an apocalyptic number.

17090442720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17090442720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34827725520).

17090442720 is an abundant number, since it is smaller than the sum of its proper divisors (52565008320).

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

17090442720 is an equidigital number, since it uses as much as digits as its factorization.

17090442720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 17090442720 in words is "seventeen billion, ninety million, four hundred forty-two thousand, seven hundred twenty".