543545440 has 24 divisors (see below), whose sum is σ = 1284126480. Its totient is φ = 217418112.

The previous prime is 543545419. The next prime is 543545467. The reversal of 543545440 is 44545345.

It is a junction number, because it is equal to n+sod(n) for n = 543545396 and 543545405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698420 + ... + 1698739.

It is an arithmetic number, because the mean of its divisors is an integer number (53505270).

Almost surely, 2^543545440 is an apocalyptic number.

It is an amenable number.

543545440 is an abundant number, since it is smaller than the sum of its proper divisors (740581040).

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

543545440 is a wasteful number, since it uses less digits than its factorization.

543545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397174 (or 3397166 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 543545440 is about 23314.0609933147. The cubic root of 543545440 is about 816.1035848253.

The spelling of 543545440 in words is "five hundred forty-three million, five hundred forty-five thousand, four hundred forty".