501750650040 has 256 divisors, whose sum is σ = 1658189905920. Its totient is φ = 120905809920.

The previous prime is 501750649943. The next prime is 501750650047. The reversal of 501750650040 is 40056057105.

It is a junction number, because it is equal to n+sod(n) for n = 501750649983 and 501750650010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501750650047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8000244 + ... + 8062716.

It is an arithmetic number, because the mean of its divisors is an integer number (6477304320).

Almost surely, 2^501750650040 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 501750650040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829094952960).

501750650040 is an abundant number, since it is smaller than the sum of its proper divisors (1156439255880).

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

501750650040 is a wasteful number, since it uses less digits than its factorization.

501750650040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62662 (or 62658 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 501750650040 in words is "five hundred one billion, seven hundred fifty million, six hundred fifty thousand, forty".