500211328428 has 144 divisors (see below), whose sum is σ = 1456028421120. Its totient is φ = 141834799872.

The previous prime is 500211328417. The next prime is 500211328439. The reversal of 500211328428 is 824823112005.

It is a happy number.

500211328428 is a `hidden beast` number, since 500 + 21 + 1 + 32 + 84 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (500211328417) and next prime (500211328439).

It is a super-2 number, since 2×500211328428² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 500211328392 and 500211328401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29525176 + ... + 29542112.

It is an arithmetic number, because the mean of its divisors is an integer number (10111308480).

Almost surely, 2^500211328428 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 500211328428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728014210560).

500211328428 is an abundant number, since it is smaller than the sum of its proper divisors (955817092692).

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

500211328428 is a wasteful number, since it uses less digits than its factorization.

500211328428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17836 (or 17831 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 500211328428 in words is "five hundred billion, two hundred eleven million, three hundred twenty-eight thousand, four hundred twenty-eight".