232505055243240 has 256 divisors, whose sum is σ = 756869460480000. Its totient is φ = 56798103979008.

The previous prime is 232505055243239. The next prime is 232505055243299. The reversal of 232505055243240 is 42342550505232.

It is a junction number, because it is equal to n+sod(n) for n = 232505055243192 and 232505055243201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559022481 + ... + 559438239.

It is an arithmetic number, because the mean of its divisors is an integer number (2956521330000).

Almost surely, 2^{232505055243240} is an apocalyptic number.

232505055243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232505055243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378434730240000).

232505055243240 is an abundant number, since it is smaller than the sum of its proper divisors (524364405236760).

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

232505055243240 is a wasteful number, since it uses less digits than its factorization.

232505055243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418504 (or 418500 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 232505055243240 in words is "two hundred thirty-two trillion, five hundred five billion, fifty-five million, two hundred forty-three thousand, two hundred forty".