540042215420 has 12 divisors (see below), whose sum is σ = 1134088652424. Its totient is φ = 216016886160.

The previous prime is 540042215393. The next prime is 540042215459. The reversal of 540042215420 is 24512240045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13501055366 + ... + 13501055405.

It is an arithmetic number, because the mean of its divisors is an integer number (94507387702).

Almost surely, 2^540042215420 is an apocalyptic number.

It is an amenable number.

540042215420 is an abundant number, since it is smaller than the sum of its proper divisors (594046437004).

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

540042215420 is a wasteful number, since it uses less digits than its factorization.

540042215420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27002110780 (or 27002110778 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 540042215420 its reverse (24512240045), we get a palindrome (564554455465).

The spelling of 540042215420 in words is "five hundred forty billion, forty-two million, two hundred fifteen thousand, four hundred twenty".