540533521230120 has 336 divisors, whose sum is σ = 2004306141225780. Its totient is φ = 131038428533760.

The previous prime is 540533521230107. The next prime is 540533521230121. The reversal of 540533521230120 is 21032125335045.

540533521230120 is a `hidden beast` number, since 5 + 4 + 0 + 5 + 3 + 3 + 521 + 2 + 3 + 0 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 483058594216836 + 57474927013284 = 21978594^2 + 7581222^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (540533521230121) 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 83 ways as a sum of consecutive naturals, for example, 73070049 + ... + 80126768.

Almost surely, 2^{540533521230120} is an apocalyptic number.

It is an amenable number.

540533521230120 is an abundant number, since it is smaller than the sum of its proper divisors (1463772619995660).

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

540533521230120 is a wasteful number, since it uses less digits than its factorization.

540533521230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153196868 (or 153196838 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 540533521230120 its reverse (21032125335045), we get a palindrome (561565646565165).

The spelling of 540533521230120 in words is "five hundred forty trillion, five hundred thirty-three billion, five hundred twenty-one million, two hundred thirty thousand, one hundred twenty".