1230832640 has 176 divisors, whose sum is σ = 3183494400. Its totient is φ = 454950912.

The previous prime is 1230832637. The next prime is 1230832643. The reversal of 1230832640 is 462380321.

It is an interprime number because it is at equal distance from previous prime (1230832637) and next prime (1230832643).

It is not an unprimeable number, because it can be changed into a prime (1230832643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6876071 + ... + 6876249.

Almost surely, 2^1230832640 is an apocalyptic number.

1230832640 is a gapful number since it is divisible by the number (10) 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 1230832640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591747200).

1230832640 is an abundant number, since it is smaller than the sum of its proper divisors (1952661760).

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

1230832640 is a wasteful number, since it uses less digits than its factorization.

1230832640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1230832640 is about 35083.2244812246. The cubic root of 1230832640 is about 1071.6829834112.

The spelling of 1230832640 in words is "one billion, two hundred thirty million, eight hundred thirty-two thousand, six hundred forty".