540044626520 has 128 divisors (see below), whose sum is σ = 1417568256000. Its totient is φ = 181339209216.

The previous prime is 540044626501. The next prime is 540044626559. The reversal of 540044626520 is 25626440045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3162281 + ... + 3328679.

It is an arithmetic number, because the mean of its divisors is an integer number (11074752000).

Almost surely, 2^540044626520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540044626520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708784128000).

540044626520 is an abundant number, since it is smaller than the sum of its proper divisors (877523629480).

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

540044626520 is a wasteful number, since it uses less digits than its factorization.

540044626520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166657 (or 166653 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 540044626520 in words is "five hundred forty billion, forty-four million, six hundred twenty-six thousand, five hundred twenty".