215215650230 has 64 divisors (see below), whose sum is σ = 458103582720. Its totient is φ = 71237232000.

The previous prime is 215215650173. The next prime is 215215650337. The reversal of 215215650230 is 32056512512.

It is a super-2 number, since 2×215215650230² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790880 + ... + 1027580.

It is an arithmetic number, because the mean of its divisors is an integer number (7157868480).

Almost surely, 2^215215650230 is an apocalyptic number.

215215650230 is an abundant number, since it is smaller than the sum of its proper divisors (242887932490).

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

215215650230 is a wasteful number, since it uses less digits than its factorization.

215215650230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237165.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 215215650230 in words is "two hundred fifteen billion, two hundred fifteen million, six hundred fifty thousand, two hundred thirty".