543394204080 has 1280 divisors, whose sum is σ = 2247936122880. Its totient is φ = 106084712448.

The previous prime is 543394204061. The next prime is 543394204081. The reversal of 543394204080 is 80402493345.

It is a super-2 number, since 2×543394204080² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (543394204081) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3141006874 + ... + 3141007046.

It is an arithmetic number, because the mean of its divisors is an integer number (1756200096).

Almost surely, 2^543394204080 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 543394204080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123968061440).

543394204080 is an abundant number, since it is smaller than the sum of its proper divisors (1704541918800).

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

543394204080 is a wasteful number, since it uses less digits than its factorization.

543394204080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 543394204080 in words is "five hundred forty-three billion, three hundred ninety-four million, two hundred four thousand, eighty".