543771994944 has 112 divisors (see below), whose sum is σ = 1490382754560. Its totient is φ = 174849269760.

The previous prime is 543771994919. The next prime is 543771994951. The reversal of 543771994944 is 449499177345.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312537 + ... + 1088679.

It is an arithmetic number, because the mean of its divisors is an integer number (13306988880).

Almost surely, 2^543771994944 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 543771994944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745191377280).

543771994944 is an abundant number, since it is smaller than the sum of its proper divisors (946610759616).

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

543771994944 is a wasteful number, since it uses less digits than its factorization.

543771994944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776288 (or 776278 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 66.

The spelling of 543771994944 in words is "five hundred forty-three billion, seven hundred seventy-one million, nine hundred ninety-four thousand, nine hundred forty-four".