43904045856 has 96 divisors (see below), whose sum is σ = 126643341888. Its totient is φ = 13207101440.

The previous prime is 43904045851. The next prime is 43904045891. The reversal of 43904045856 is 65854040934.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (43904045851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065 + ... + 296408.

It is an arithmetic number, because the mean of its divisors is an integer number (1319201478).

Almost surely, 2^43904045856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43904045856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63321670944).

43904045856 is an abundant number, since it is smaller than the sum of its proper divisors (82739296032).

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

43904045856 is a wasteful number, since it uses less digits than its factorization.

43904045856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303634 (or 303626 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 43904045856 in words is "forty-three billion, nine hundred four million, forty-five thousand, eight hundred fifty-six".