501140225300540 has 24 divisors (see below), whose sum is σ = 1202736540721632. Its totient is φ = 171819505817280.

The previous prime is 501140225300489. The next prime is 501140225300581. The reversal of 501140225300540 is 45003522041105.

It is a super-2 number, since 2×501140225300540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501140225300497 and 501140225300506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789786518791 + ... + 1789786519070.

It is an arithmetic number, because the mean of its divisors is an integer number (50114022530068).

Almost surely, 2^{501140225300540} is an apocalyptic number.

It is an amenable number.

501140225300540 is an abundant number, since it is smaller than the sum of its proper divisors (701596315421092).

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

501140225300540 is a wasteful number, since it uses less digits than its factorization.

501140225300540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579573037877 (or 3579573037875 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 501140225300540 its reverse (45003522041105), we get a palindrome (546143747341645).

The spelling of 501140225300540 in words is "five hundred one trillion, one hundred forty billion, two hundred twenty-five million, three hundred thousand, five hundred forty".