43381054365948 has 288 divisors, whose sum is σ = 122749710632640. Its totient is φ = 12826176491520.

The previous prime is 43381054365899. The next prime is 43381054365973. The reversal of 43381054365948 is 84956345018334.

43381054365948 is a `hidden beast` number, since 4 + 3 + 3 + 8 + 1 + 0 + 5 + 4 + 36 + 594 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3276260608 + ... + 3276273848.

It is an arithmetic number, because the mean of its divisors is an integer number (426214273030).

Almost surely, 2^{43381054365948} 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 43381054365948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61374855316320).

43381054365948 is an abundant number, since it is smaller than the sum of its proper divisors (79368656266692).

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

43381054365948 is a wasteful number, since it uses less digits than its factorization.

43381054365948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429 (or 14424 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 63.

The spelling of 43381054365948 in words is "forty-three trillion, three hundred eighty-one billion, fifty-four million, three hundred sixty-five thousand, nine hundred forty-eight".