215245545330 has 32 divisors (see below), whose sum is σ = 516623385600. Its totient is φ = 57395025792.

The previous prime is 215245545289. The next prime is 215245545409. The reversal of 215245545330 is 33545542512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241566 + ... + 699174.

It is an arithmetic number, because the mean of its divisors is an integer number (16144480800).

Almost surely, 2^215245545330 is an apocalyptic number.

215245545330 is an abundant number, since it is smaller than the sum of its proper divisors (301377840270).

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

215245545330 is a wasteful number, since it uses less digits than its factorization.

215245545330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473298.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 215245545330 in words is "two hundred fifteen billion, two hundred forty-five million, five hundred forty-five thousand, three hundred thirty".