17420730162040 has 128 divisors (see below), whose sum is σ = 40541229388800. Its totient is φ = 6732087344640.

The previous prime is 17420730161981. The next prime is 17420730162049. The reversal of 17420730162040 is 4026103702471.

It is a super-2 number, since 2×17420730162040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17420730162049) 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, 122669875 + ... + 122811805.

It is an arithmetic number, because the mean of its divisors is an integer number (316728354600).

Almost surely, 2^{17420730162040} is an apocalyptic number.

17420730162040 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 17420730162040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20270614694400).

17420730162040 is an abundant number, since it is smaller than the sum of its proper divisors (23120499226760).

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

17420730162040 is a wasteful number, since it uses less digits than its factorization.

17420730162040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142565 (or 142561 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 17420730162040 in words is "seventeen trillion, four hundred twenty billion, seven hundred thirty million, one hundred sixty-two thousand, forty".