215033214840 has 256 divisors, whose sum is σ = 663994368000. Its totient is φ = 55690467840.

The previous prime is 215033214839. The next prime is 215033214887. The reversal of 215033214840 is 48412330512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340781325 + ... + 340781955.

It is an arithmetic number, because the mean of its divisors is an integer number (2593728000).

Almost surely, 2^215033214840 is an apocalyptic number.

215033214840 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 215033214840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331997184000).

215033214840 is an abundant number, since it is smaller than the sum of its proper divisors (448961153160).

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

215033214840 is a wasteful number, since it uses less digits than its factorization.

215033214840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 215033214840 in words is "two hundred fifteen billion, thirty-three million, two hundred fourteen thousand, eight hundred forty".