43278046848 has 128 divisors (see below), whose sum is σ = 128112816000. Its totient is φ = 14382821376.

The previous prime is 43278046781. The next prime is 43278046859. The reversal of 43278046848 is 84864087234.

It is a happy number.

43278046848 is a `hidden beast` number, since 43 + 27 + 80 + 468 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 43278046794 and 43278046803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146093 + ... + 1183251.

It is an arithmetic number, because the mean of its divisors is an integer number (1000881375).

Almost surely, 2^43278046848 is an apocalyptic number.

43278046848 is a gapful number since it is divisible by the number (48) 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 43278046848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64056408000).

43278046848 is an abundant number, since it is smaller than the sum of its proper divisors (84834769152).

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

43278046848 is a wasteful number, since it uses less digits than its factorization.

43278046848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37519 (or 37501 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 43278046848 in words is "forty-three billion, two hundred seventy-eight million, forty-six thousand, eight hundred forty-eight".