1230564898440 has 384 divisors, whose sum is σ = 4296927398400. Its totient is φ = 316358784000.

The previous prime is 1230564898427. The next prime is 1230564898441. The reversal of 1230564898440 is 448984650321.

1230564898440 is a `hidden beast` number, since 1 + 2 + 30 + 56 + 489 + 84 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1230564898441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211688974 + ... + 211694786.

It is an arithmetic number, because the mean of its divisors is an integer number (11189915100).

Almost surely, 2^{1230564898440} is an apocalyptic number.

1230564898440 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 1230564898440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148463699200).

1230564898440 is an abundant number, since it is smaller than the sum of its proper divisors (3066362499960).

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

1230564898440 is a wasteful number, since it uses less digits than its factorization.

1230564898440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619 (or 6603 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 1230564898440 in words is "one trillion, two hundred thirty billion, five hundred sixty-four million, eight hundred ninety-eight thousand, four hundred forty".