215882883600 has 120 divisors (see below), whose sum is σ = 694415248032. Its totient is φ = 57329817600.

The previous prime is 215882883599. The next prime is 215882883617. The reversal of 215882883600 is 6388288512.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×215882883600² (a number of 23 digits) contains 22 as substring.

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, 84042 + ... + 662441.

Almost surely, 2^215882883600 is an apocalyptic number.

215882883600 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 215882883600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347207624016).

215882883600 is an abundant number, since it is smaller than the sum of its proper divisors (478532364432).

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

215882883600 is a wasteful number, since it uses less digits than its factorization.

215882883600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746745 (or 746734 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 215882883600 in words is "two hundred fifteen billion, eight hundred eighty-two million, eight hundred eighty-three thousand, six hundred".