540123456790 has 16 divisors (see below), whose sum is σ = 972905467968. Its totient is φ = 215897550336.

The previous prime is 540123456779. The next prime is 540123456793. The reversal of 540123456790 is 97654321045.

It is a happy number.

540123456790 is a modest number, since divided by 123456790 gives 540 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 540123456790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540123456793) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18964107 + ... + 18992566.

It is an arithmetic number, because the mean of its divisors is an integer number (60806591748).

Almost surely, 2^540123456790 is an apocalyptic number.

540123456790 is a deficient number, since it is larger than the sum of its proper divisors (432782011178).

540123456790 is a wasteful number, since it uses less digits than its factorization.

540123456790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37958103.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 540123456790 in words is "five hundred forty billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred ninety".