540221122045 has 16 divisors (see below), whose sum is σ = 707214110400. Its totient is φ = 392879449600.

The previous prime is 540221122019. The next prime is 540221122061.

It is a happy number.

540221122045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 540221122045 - 2⁵ = 540221122013 is a prime.

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, 3505005 + ... + 3655885.

It is an arithmetic number, because the mean of its divisors is an integer number (44200881900).

Almost surely, 2^540221122045 is an apocalyptic number.

540221122045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540221122045 is a deficient number, since it is larger than the sum of its proper divisors (166992988355).

540221122045 is a wasteful number, since it uses less digits than its factorization.

540221122045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215996.

The product of its (nonzero) digits is 6400, while the sum is 28.

It can be divided in two parts, 540221 and 122045, that added together give a palindrome (662266).

The spelling of 540221122045 in words is "five hundred forty billion, two hundred twenty-one million, one hundred twenty-two thousand, forty-five".