232305454530040 has 128 divisors (see below), whose sum is σ = 557091347189760. Its totient is φ = 86979419912704.

The previous prime is 232305454530011. The next prime is 232305454530047. The reversal of 232305454530040 is 40035454503232.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 232305454529975 and 232305454530002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232305454530047) 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, 328573554 + ... + 329279806.

It is an arithmetic number, because the mean of its divisors is an integer number (4352276149920).

Almost surely, 2^{232305454530040} is an apocalyptic number.

232305454530040 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 232305454530040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278545673594880).

232305454530040 is an abundant number, since it is smaller than the sum of its proper divisors (324785892659720).

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

232305454530040 is a wasteful number, since it uses less digits than its factorization.

232305454530040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713941 (or 713937 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

The spelling of 232305454530040 in words is "two hundred thirty-two trillion, three hundred five billion, four hundred fifty-four million, five hundred thirty thousand, forty".