540641464144 has 10 divisors (see below), whose sum is σ = 1047492836810. Its totient is φ = 270320732064.

The previous prime is 540641464133. The next prime is 540641464159. The reversal of 540641464144 is 441464146045.

It can be written as a sum of positive squares in only one way, i.e., 382651113744 + 157990350400 = 618588^2 + 397480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 540641464144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16895045739 + ... + 16895045770.

It is an arithmetic number, because the mean of its divisors is an integer number (104749283681).

Almost surely, 2^540641464144 is an apocalyptic number.

It is an amenable number.

540641464144 is a deficient number, since it is larger than the sum of its proper divisors (506851372666).

540641464144 is a wasteful number, since it uses less digits than its factorization.

540641464144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33790091517 (or 33790091511 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 540641464144 in words is "five hundred forty billion, six hundred forty-one million, four hundred sixty-four thousand, one hundred forty-four".