240645044730220 has 96 divisors (see below), whose sum is σ = 544495382786880. Its totient is φ = 88809915663360.

The previous prime is 240645044730199. The next prime is 240645044730229. The reversal of 240645044730220 is 22037440546042.

It is not an unprimeable number, because it can be changed into a prime (240645044730229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4945312690 + ... + 4945361350.

It is an arithmetic number, because the mean of its divisors is an integer number (5671826904030).

Almost surely, 2^{240645044730220} is an apocalyptic number.

240645044730220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240645044730220 is an abundant number, since it is smaller than the sum of its proper divisors (303850338056660).

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

240645044730220 is a wasteful number, since it uses less digits than its factorization.

240645044730220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57635 (or 57633 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 43.

The spelling of 240645044730220 in words is "two hundred forty trillion, six hundred forty-five billion, forty-four million, seven hundred thirty thousand, two hundred twenty".