215010460 has 48 divisors (see below), whose sum is σ = 543191040. Its totient is φ = 69837120.

The previous prime is 215010413. The next prime is 215010487. The reversal of 215010460 is 64010512.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37756 + ... + 43075.

It is an arithmetic number, because the mean of its divisors is an integer number (11316480).

Almost surely, 2^215010460 is an apocalyptic number.

215010460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215010460 is an abundant number, since it is smaller than the sum of its proper divisors (328180580).

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

215010460 is a wasteful number, since it uses less digits than its factorization.

215010460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80866 (or 80864 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215010460 is about 14663.2349773166. The cubic root of 215010460 is about 599.0823565255.

Adding to 215010460 its reverse (64010512), we get a palindrome (279020972).

The spelling of 215010460 in words is "two hundred fifteen million, ten thousand, four hundred sixty".