540888423278719 has 4 divisors (see below), whose sum is σ = 540931049851680. Its totient is φ = 540845796705760.

The previous prime is 540888423278629. The next prime is 540888423278761. The reversal of 540888423278719 is 917872324888045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540888423278719 - 2¹⁹ = 540888422754431 is a prime.

It is a super-2 number, since 2×540888423278719² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540888423228719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21313267447 + ... + 21313292824.

It is an arithmetic number, because the mean of its divisors is an integer number (135232762462920).

Almost surely, 2^{540888423278719} is an apocalyptic number.

540888423278719 is a deficient number, since it is larger than the sum of its proper divisors (42626572961).

540888423278719 is a wasteful number, since it uses less digits than its factorization.

540888423278719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42626572960.

The product of its (nonzero) digits is 1734082560, while the sum is 76.

The spelling of 540888423278719 in words is "five hundred forty trillion, eight hundred eighty-eight billion, four hundred twenty-three million, two hundred seventy-eight thousand, seven hundred nineteen".