501315630443140 has 12 divisors (see below), whose sum is σ = 1052762823930636. Its totient is φ = 200526252177248.

The previous prime is 501315630443101. The next prime is 501315630443219. The reversal of 501315630443140 is 41344036513105.

It can be written as a sum of positive squares in 2 ways, for example, as 282004647484036 + 219310982959104 = 16792994^2 + 14809152^2 .

It is a super-2 number, since 2×501315630443140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501315630443093 and 501315630443102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12532890761059 + ... + 12532890761098.

It is an arithmetic number, because the mean of its divisors is an integer number (87730235327553).

Almost surely, 2^{501315630443140} is an apocalyptic number.

It is an amenable number.

501315630443140 is an abundant number, since it is smaller than the sum of its proper divisors (551447193487496).

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

501315630443140 is a wasteful number, since it uses less digits than its factorization.

501315630443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25065781522166 (or 25065781522164 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 501315630443140 its reverse (41344036513105), we get a palindrome (542659666956245).

The spelling of 501315630443140 in words is "five hundred one trillion, three hundred fifteen billion, six hundred thirty million, four hundred forty-three thousand, one hundred forty".