540653221526 has 64 divisors (see below), whose sum is σ = 965516060160. Its totient is φ = 224298816000.

The previous prime is 540653221501. The next prime is 540653221541. The reversal of 540653221526 is 625122356045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452905 + ... + 1786683.

It is an arithmetic number, because the mean of its divisors is an integer number (15086188440).

Almost surely, 2^540653221526 is an apocalyptic number.

540653221526 is a deficient number, since it is larger than the sum of its proper divisors (424862838634).

540653221526 is a wasteful number, since it uses less digits than its factorization.

540653221526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333941.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 540653221526 in words is "five hundred forty billion, six hundred fifty-three million, two hundred twenty-one thousand, five hundred twenty-six".