43871654160 has 400 divisors, whose sum is σ = 155075342400. Its totient is φ = 11493798912.

The previous prime is 43871654159. The next prime is 43871654213. The reversal of 43871654160 is 6145617834.

43871654160 is a `hidden beast` number, since 4 + 38 + 7 + 16 + 541 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 126431107 + ... + 126431453.

It is an arithmetic number, because the mean of its divisors is an integer number (387688356).

Almost surely, 2^43871654160 is an apocalyptic number.

43871654160 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 43871654160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77537671200).

43871654160 is an abundant number, since it is smaller than the sum of its proper divisors (111203688240).

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

43871654160 is a wasteful number, since it uses less digits than its factorization.

43871654160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 43871654160 in words is "forty-three billion, eight hundred seventy-one million, six hundred fifty-four thousand, one hundred sixty".