540220210520144 has 80 divisors (see below), whose sum is σ = 1304983017753216. Its totient is φ = 210469681497600.

The previous prime is 540220210520129. The next prime is 540220210520233. The reversal of 540220210520144 is 441025012022045.

It is a self number, because there is not a number n which added to its sum of digits gives 540220210520144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39487154 + ... + 51377774.

Almost surely, 2^{540220210520144} is an apocalyptic number.

It is an amenable number.

540220210520144 is an abundant number, since it is smaller than the sum of its proper divisors (764762807233072).

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

540220210520144 is a wasteful number, since it uses less digits than its factorization.

540220210520144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927524 (or 11927518 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 540220210520144 its reverse (441025012022045), we get a palindrome (981245222542189).

The spelling of 540220210520144 in words is "five hundred forty trillion, two hundred twenty billion, two hundred ten million, five hundred twenty thousand, one hundred forty-four".