43381353624 has 128 divisors (see below), whose sum is σ = 128078868480. Its totient is φ = 11982297600.

The previous prime is 43381353599. The next prime is 43381353643. The reversal of 43381353624 is 42635318334.

43381353624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 5688534 + ... + 5696154.

It is an arithmetic number, because the mean of its divisors is an integer number (1000616160).

Almost surely, 2^43381353624 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 43381353624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64039434240).

43381353624 is an abundant number, since it is smaller than the sum of its proper divisors (84697514856).

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

43381353624 is a wasteful number, since it uses less digits than its factorization.

43381353624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8757 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 43381353624 in words is "forty-three billion, three hundred eighty-one million, three hundred fifty-three thousand, six hundred twenty-four".