540555306438 has 32 divisors (see below), whose sum is σ = 1235577240576. Its totient is φ = 154441591488.

The previous prime is 540555306409. The next prime is 540555306443. The reversal of 540555306438 is 834603555045.

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, 3800595 + ... + 3940257.

It is an arithmetic number, because the mean of its divisors is an integer number (38611788768).

Almost surely, 2^540555306438 is an apocalyptic number.

540555306438 is an abundant number, since it is smaller than the sum of its proper divisors (695021934138).

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

540555306438 is a wasteful number, since it uses less digits than its factorization.

540555306438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231828.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 540555306438 in words is "five hundred forty billion, five hundred fifty-five million, three hundred six thousand, four hundred thirty-eight".