215480034 has 128 divisors (see below), whose sum is σ = 617932800. Its totient is φ = 54008640.

The previous prime is 215479997. The next prime is 215480047. The reversal of 215480034 is 430084512.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 119689 + ... + 121475.

It is an arithmetic number, because the mean of its divisors is an integer number (4827600).

Almost surely, 2^215480034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215480034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308966400).

215480034 is an abundant number, since it is smaller than the sum of its proper divisors (402452766).

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

215480034 is a wasteful number, since it uses less digits than its factorization.

215480034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 215480034 is about 14679.2381954923. The cubic root of 215480034 is about 599.5181631590.

It can be divided in two parts, 215 and 480034, that added together give a square (480249 = 693²).

The spelling of 215480034 in words is "two hundred fifteen million, four hundred eighty thousand, thirty-four".