540043158244 has 12 divisors (see below), whose sum is σ = 945086651964. Its totient is φ = 270018400544.

The previous prime is 540043158233. The next prime is 540043158283. The reversal of 540043158244 is 442851340045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 267651022500 + 272392135744 = 517350^2 + 521912^2 .

It is a super-2 number, since 2×540043158244² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540043158197 and 540043158206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389407 + ... + 1109830.

It is an arithmetic number, because the mean of its divisors is an integer number (78757220997).

Almost surely, 2^540043158244 is an apocalyptic number.

It is an amenable number.

540043158244 is a deficient number, since it is larger than the sum of its proper divisors (405043493720).

540043158244 is a wasteful number, since it uses less digits than its factorization.

540043158244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589294 (or 1589292 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 540043158244 its reverse (442851340045), we get a palindrome (982894498289).

The spelling of 540043158244 in words is "five hundred forty billion, forty-three million, one hundred fifty-eight thousand, two hundred forty-four".