506321053215420 has 48 divisors (see below), whose sum is σ = 1424823064358400. Its totient is φ = 134340460347456.

The previous prime is 506321053215403. The next prime is 506321053215493. The reversal of 506321053215420 is 24512350123605.

It is a super-2 number, since 2×506321053215420² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 21202712232 + ... + 21202736111.

It is an arithmetic number, because the mean of its divisors is an integer number (29683813840800).

Almost surely, 2^{506321053215420} is an apocalyptic number.

It is an amenable number.

506321053215420 is an abundant number, since it is smaller than the sum of its proper divisors (918502011142980).

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

506321053215420 is a wasteful number, since it uses less digits than its factorization.

506321053215420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42405448554 (or 42405448552 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 506321053215420 in words is "five hundred six trillion, three hundred twenty-one billion, fifty-three million, two hundred fifteen thousand, four hundred twenty".