543404040 has 32 divisors (see below), whose sum is σ = 1630212480. Its totient is φ = 144907712.

The previous prime is 543404039. The next prime is 543404111. The reversal of 543404040 is 40404345.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 543404040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264064 + ... + 2264303.

It is an arithmetic number, because the mean of its divisors is an integer number (50944140).

Almost surely, 2^543404040 is an apocalyptic number.

It is an amenable number.

543404040 is an abundant number, since it is smaller than the sum of its proper divisors (1086808440).

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

543404040 is a wasteful number, since it uses less digits than its factorization.

543404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528381 (or 4528377 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 543404040 is about 23311.0282913474. The cubic root of 543404040 is about 816.0328105800.

Adding to 543404040 its reverse (40404345), we get a palindrome (583808385).

The spelling of 543404040 in words is "five hundred forty-three million, four hundred four thousand, forty".