217265045030 has 96 divisors (see below), whose sum is σ = 453146464800. Its totient is φ = 74368419840.

The previous prime is 217265044993. The next prime is 217265045033. The reversal of 217265045030 is 30540562712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217265045033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6217046 + ... + 6251894.

It is an arithmetic number, because the mean of its divisors is an integer number (4720275675).

Almost surely, 2^217265045030 is an apocalyptic number.

217265045030 is an abundant number, since it is smaller than the sum of its proper divisors (235881419770).

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

217265045030 is a wasteful number, since it uses less digits than its factorization.

217265045030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35062 (or 35043 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 217265045030 in words is "two hundred seventeen billion, two hundred sixty-five million, forty-five thousand, thirty".