43281861480 has 768 divisors, whose sum is σ = 175438448640. Its totient is φ = 9107251200.

The previous prime is 43281861479. The next prime is 43281861481. The reversal of 43281861480 is 8416818234.

43281861480 is a `hidden beast` number, since 4 + 3 + 28 + 1 + 8 + 614 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (43281861479) and next prime (43281861481).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (43281861481) 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 191 ways as a sum of consecutive naturals, for example, 59047194 + ... + 59047926.

It is an arithmetic number, because the mean of its divisors is an integer number (228435480).

Almost surely, 2^43281861480 is an apocalyptic number.

43281861480 is a gapful number since it is divisible by the number (40) 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 43281861480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87719224320).

43281861480 is an abundant number, since it is smaller than the sum of its proper divisors (132156587160).

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

43281861480 is a wasteful number, since it uses less digits than its factorization.

43281861480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 43281861480 in words is "forty-three billion, two hundred eighty-one million, eight hundred sixty-one thousand, four hundred eighty".