215327072352 has 864 divisors, whose sum is σ = 753110265600. Its totient is φ = 53456578560.

The previous prime is 215327072339. The next prime is 215327072377. The reversal of 215327072352 is 253270723512.

It is a self number, because there is not a number n which added to its sum of digits gives 215327072352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1975477674 + ... + 1975477782.

It is an arithmetic number, because the mean of its divisors is an integer number (871655400).

Almost surely, 2^215327072352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215327072352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376555132800).

215327072352 is an abundant number, since it is smaller than the sum of its proper divisors (537783193248).

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

215327072352 is a wasteful number, since it uses less digits than its factorization.

215327072352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

Adding to 215327072352 its reverse (253270723512), we get a palindrome (468597795864).

The spelling of 215327072352 in words is "two hundred fifteen billion, three hundred twenty-seven million, seventy-two thousand, three hundred fifty-two".