15812640532480 has 768 divisors, whose sum is σ = 45869565530880. Its totient is φ = 5164970803200.

The previous prime is 15812640532399. The next prime is 15812640532483. The reversal of 15812640532480 is 8423504621851.

It is not an unprimeable number, because it can be changed into a prime (15812640532483) 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 63 ways as a sum of consecutive naturals, for example, 3755077575 + ... + 3755081785.

It is an arithmetic number, because the mean of its divisors is an integer number (59725996785).

Almost surely, 2^{15812640532480} is an apocalyptic number.

15812640532480 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 15812640532480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22934782765440).

15812640532480 is an abundant number, since it is smaller than the sum of its proper divisors (30056924998400).

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

15812640532480 is a wasteful number, since it uses less digits than its factorization.

15812640532480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 15812640532480 in words is "fifteen trillion, eight hundred twelve billion, six hundred forty million, five hundred thirty-two thousand, four hundred eighty".