43861042080 has 192 divisors, whose sum is σ = 155005643520. Its totient is φ = 11582604288.

The previous prime is 43861042079. The next prime is 43861042091. The reversal of 43861042080 is 8024016834.

43861042080 is a `hidden beast` number, since 4 + 38 + 610 + 4 + 2 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395674 + ... + 494246.

It is an arithmetic number, because the mean of its divisors is an integer number (807321060).

Almost surely, 2^43861042080 is an apocalyptic number.

43861042080 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 43861042080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77502821760).

43861042080 is an abundant number, since it is smaller than the sum of its proper divisors (111144601440).

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

43861042080 is a wasteful number, since it uses less digits than its factorization.

43861042080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98700 (or 98686 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

It can be divided in two parts, 438610 and 42080, that added together give a triangular number (480690 = T₉₈₀).

The spelling of 43861042080 in words is "forty-three billion, eight hundred sixty-one million, forty-two thousand, eighty".