216141450 has 96 divisors (see below), whose sum is σ = 625257600. Its totient is φ = 49392000.

The previous prime is 216141449. The next prime is 216141461. The reversal of 216141450 is 54141612.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 216141450.

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, 49350 + ... + 53550.

It is an arithmetic number, because the mean of its divisors is an integer number (6513100).

Almost surely, 2^216141450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216141450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312628800).

216141450 is an abundant number, since it is smaller than the sum of its proper divisors (409116150).

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

216141450 is a wasteful number, since it uses less digits than its factorization.

216141450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 216141450 is about 14701.7498958457. The cubic root of 216141450 is about 600.1309436431.

The spelling of 216141450 in words is "two hundred sixteen million, one hundred forty-one thousand, four hundred fifty".