43054204240 has 20 divisors (see below), whose sum is σ = 100101025044. Its totient is φ = 17221681664.

The previous prime is 43054204223. The next prime is 43054204273. The reversal of 43054204240 is 4240245034.

It can be written as a sum of positive squares in 2 ways, for example, as 33376366864 + 9677837376 = 182692^2 + 98376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 43054204199 and 43054204208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269088697 + ... + 269088856.

Almost surely, 2^43054204240 is an apocalyptic number.

43054204240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43054204240 is an abundant number, since it is smaller than the sum of its proper divisors (57046820804).

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

43054204240 is a wasteful number, since it uses less digits than its factorization.

43054204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538177566 (or 538177560 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 43054204240 its reverse (4240245034), we get a palindrome (47294449274).

The spelling of 43054204240 in words is "forty-three billion, fifty-four million, two hundred four thousand, two hundred forty".