520131000144042 has 128 divisors (see below), whose sum is σ = 1340743252262400. Its totient is φ = 146389207177728.

The previous prime is 520131000144023. The next prime is 520131000144047. The reversal of 520131000144042 is 240441000131025.

520131000144042 is a `hidden beast` number, since 5 + 201 + 3 + 10 + 0 + 0 + 1 + 440 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 520131000143997 and 520131000144015.

It is not an unprimeable number, because it can be changed into a prime (520131000144047) 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, 10167184 + ... + 33817652.

It is an arithmetic number, because the mean of its divisors is an integer number (10474556658300).

Almost surely, 2^{520131000144042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520131000144042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670371626131200).

520131000144042 is an abundant number, since it is smaller than the sum of its proper divisors (820612252118358).

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

520131000144042 is a wasteful number, since it uses less digits than its factorization.

520131000144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23651357 (or 23651351 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 520131000144042 its reverse (240441000131025), we get a palindrome (760572000275067).

The spelling of 520131000144042 in words is "five hundred twenty trillion, one hundred thirty-one billion, one hundred forty-four thousand, forty-two".