512420858620 has 192 divisors, whose sum is σ = 1248551055360. Its totient is φ = 174900096000.

The previous prime is 512420858581. The next prime is 512420858669. The reversal of 512420858620 is 26858024215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45273202 + ... + 45284518.

It is an arithmetic number, because the mean of its divisors is an integer number (6502870080).

Almost surely, 2^512420858620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512420858620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624275527680).

512420858620 is an abundant number, since it is smaller than the sum of its proper divisors (736130196740).

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

512420858620 is a wasteful number, since it uses less digits than its factorization.

512420858620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11564 (or 11562 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 512420858620 in words is "five hundred twelve billion, four hundred twenty million, eight hundred fifty-eight thousand, six hundred twenty".