1720141562436 has 144 divisors (see below), whose sum is σ = 4654869145920. Its totient is φ = 490214154240.

The previous prime is 1720141562411. The next prime is 1720141562437. The reversal of 1720141562436 is 6342651410271.

It is not an unprimeable number, because it can be changed into a prime (1720141562437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6396580 + ... + 6660068.

It is an arithmetic number, because the mean of its divisors is an integer number (32325480180).

Almost surely, 2^{1720141562436} 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 1720141562436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327434572960).

1720141562436 is an abundant number, since it is smaller than the sum of its proper divisors (2934727583484).

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

1720141562436 is a wasteful number, since it uses less digits than its factorization.

1720141562436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263682 (or 263661 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 1720141562436 in words is "one trillion, seven hundred twenty billion, one hundred forty-one million, five hundred sixty-two thousand, four hundred thirty-six".