501130043040 has 96 divisors (see below), whose sum is σ = 1722065075136. Its totient is φ = 121486069760.

The previous prime is 501130043039. The next prime is 501130043069. The reversal of 501130043040 is 40340031105.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×501130043040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501130042998 and 501130043016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47450217 + ... + 47460776.

It is an arithmetic number, because the mean of its divisors is an integer number (17938177866).

Almost surely, 2^501130043040 is an apocalyptic number.

It is an amenable number.

501130043040 is an abundant number, since it is smaller than the sum of its proper divisors (1220935032096).

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

501130043040 is a wasteful number, since it uses less digits than its factorization.

501130043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94911022 (or 94911014 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 501130043040 its reverse (40340031105), we get a palindrome (541470074145).

The spelling of 501130043040 in words is "five hundred one billion, one hundred thirty million, forty-three thousand, forty".