1530549644960 has 144 divisors (see below), whose sum is σ = 4208316456960. Its totient is φ = 524505623040.

The previous prime is 1530549644947. The next prime is 1530549644993. The reversal of 1530549644960 is 694469450351.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 1530549644896 and 1530549644905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16504001 + ... + 16596479.

It is an arithmetic number, because the mean of its divisors is an integer number (29224419840).

Almost surely, 2^{1530549644960} is an apocalyptic number.

1530549644960 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 1530549644960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104158228480).

1530549644960 is an abundant number, since it is smaller than the sum of its proper divisors (2677766812000).

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

1530549644960 is a wasteful number, since it uses less digits than its factorization.

1530549644960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94619 (or 94604 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 1530549644960 in words is "one trillion, five hundred thirty billion, five hundred forty-nine million, six hundred forty-four thousand, nine hundred sixty".