501711720733040 has 160 divisors (see below), whose sum is σ = 1177467473508480. Its totient is φ = 198802243584000.

The previous prime is 501711720733033. The next prime is 501711720733057. The reversal of 501711720733040 is 40337027117105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9450362816 + ... + 9450415904.

It is an arithmetic number, because the mean of its divisors is an integer number (7359171709428).

Almost surely, 2^{501711720733040} 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 501711720733040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588733736754240).

501711720733040 is an abundant number, since it is smaller than the sum of its proper divisors (675755752775440).

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

501711720733040 is a wasteful number, since it uses less digits than its factorization.

501711720733040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55411 (or 55405 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 501711720733040 in words is "five hundred one trillion, seven hundred eleven billion, seven hundred twenty million, seven hundred thirty-three thousand, forty".