213428050560 has 192 divisors, whose sum is σ = 742622268960. Its totient is φ = 56479488000.

The previous prime is 213428050559. The next prime is 213428050571. The reversal of 213428050560 is 65050824312.

213428050560 is a `hidden beast` number, since 2 + 1 + 3 + 42 + 8 + 0 + 50 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613135 + ... + 895985.

Almost surely, 2^213428050560 is an apocalyptic number.

213428050560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213428050560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371311134480).

213428050560 is an abundant number, since it is smaller than the sum of its proper divisors (529194218400).

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

213428050560 is a wasteful number, since it uses less digits than its factorization.

213428050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283007 (or 282992 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 213428050560 its reverse (65050824312), we get a palindrome (278478874872).

The spelling of 213428050560 in words is "two hundred thirteen billion, four hundred twenty-eight million, fifty thousand, five hundred sixty".