43748038656 has 192 divisors, whose sum is σ = 148106649600. Its totient is φ = 12499329024.

The previous prime is 43748038589. The next prime is 43748038681. The reversal of 43748038656 is 65683084734.

43748038656 is a `hidden beast` number, since 4 + 37 + 480 + 3 + 86 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

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, 330561 + ... + 443583.

It is an arithmetic number, because the mean of its divisors is an integer number (771388800).

Almost surely, 2^43748038656 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 43748038656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74053324800).

43748038656 is an abundant number, since it is smaller than the sum of its proper divisors (104358610944).

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

43748038656 is a wasteful number, since it uses less digits than its factorization.

43748038656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113061 (or 113035 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 43748038656 in words is "forty-three billion, seven hundred forty-eight million, thirty-eight thousand, six hundred fifty-six".