230866805840 has 80 divisors (see below), whose sum is σ = 588535009920. Its totient is φ = 83525352960.

The previous prime is 230866805839. The next prime is 230866805887. The reversal of 230866805840 is 48508668032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 492500 + ... + 839219.

It is an arithmetic number, because the mean of its divisors is an integer number (7356687624).

Almost surely, 2^230866805840 is an apocalyptic number.

230866805840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230866805840 is an abundant number, since it is smaller than the sum of its proper divisors (357668204080).

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

230866805840 is a wasteful number, since it uses less digits than its factorization.

230866805840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331940 (or 1331934 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 230866805840 in words is "two hundred thirty billion, eight hundred sixty-six million, eight hundred five thousand, eight hundred forty".