17120544440 has 16 divisors (see below), whose sum is σ = 38521225080. Its totient is φ = 6848217760.

The previous prime is 17120544407. The next prime is 17120544457. The reversal of 17120544440 is 4444502171.

It is a super-2 number, since 2×17120544440² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17120544397 and 17120544406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214006766 + ... + 214006845.

Almost surely, 2^17120544440 is an apocalyptic number.

17120544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17120544440 is an abundant number, since it is smaller than the sum of its proper divisors (21400680640).

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

17120544440 is a wasteful number, since it uses less digits than its factorization.

17120544440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428013622 (or 428013618 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 17120544440 in words is "seventeen billion, one hundred twenty million, five hundred forty-four thousand, four hundred forty".