215206466451000 has 512 divisors, whose sum is σ = 729984267417600. Its totient is φ = 52611370905600.

The previous prime is 215206466450971. The next prime is 215206466451013. The reversal of 215206466451000 is 154664602512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 220045077 + ... + 221020923.

It is an arithmetic number, because the mean of its divisors is an integer number (1425750522300).

Almost surely, 2^{215206466451000} is an apocalyptic number.

215206466451000 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 215206466451000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364992133708800).

215206466451000 is an abundant number, since it is smaller than the sum of its proper divisors (514777800966600).

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

215206466451000 is a wasteful number, since it uses less digits than its factorization.

215206466451000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976016 (or 976002 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 215206466451000 in words is "two hundred fifteen trillion, two hundred six billion, four hundred sixty-six million, four hundred fifty-one thousand".