215150260 has 24 divisors (see below), whose sum is σ = 486571176. Its totient is φ = 79440000.

The previous prime is 215150213. The next prime is 215150263. The reversal of 215150260 is 62051512.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 215150224 = 6^2 + 14668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215150263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413491 + ... + 414010.

It is an arithmetic number, because the mean of its divisors is an integer number (20273799).

Almost surely, 2^215150260 is an apocalyptic number.

215150260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215150260 is an abundant number, since it is smaller than the sum of its proper divisors (271420916).

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

215150260 is a wasteful number, since it uses less digits than its factorization.

215150260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827523 (or 827521 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 215150260 is about 14668.0012271611. The cubic root of 215150260 is about 599.2121696955.

The spelling of 215150260 in words is "two hundred fifteen million, one hundred fifty thousand, two hundred sixty".