230655540 has 96 divisors (see below), whose sum is σ = 661175424. Its totient is φ = 60065280.

The previous prime is 230655539. The next prime is 230655553. The reversal of 230655540 is 45556032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 230655498 and 230655507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 727462 + ... + 727778.

It is an arithmetic number, because the mean of its divisors is an integer number (6887244).

Almost surely, 2^230655540 is an apocalyptic number.

230655540 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 230655540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330587712).

230655540 is an abundant number, since it is smaller than the sum of its proper divisors (430519884).

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

230655540 is a wasteful number, since it uses less digits than its factorization.

230655540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 230655540 is about 15187.3480239310. The cubic root of 230655540 is about 613.2741088319.

The spelling of 230655540 in words is "two hundred thirty million, six hundred fifty-five thousand, five hundred forty".