540555043551442 has 16 divisors (see below), whose sum is σ = 858529774563840. Its totient is φ = 254378495585088.

The previous prime is 540555043551329. The next prime is 540555043551443. The reversal of 540555043551442 is 244155340555045.

It is a self number, because there is not a number n which added to its sum of digits gives 540555043551442.

It is not an unprimeable number, because it can be changed into a prime (540555043551443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15204283 + ... + 36225409.

It is an arithmetic number, because the mean of its divisors is an integer number (53658110910240).

Almost surely, 2^{540555043551442} is an apocalyptic number.

540555043551442 is a deficient number, since it is larger than the sum of its proper divisors (317974731012398).

540555043551442 is a wasteful number, since it uses less digits than its factorization.

540555043551442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777465.

The product of its (nonzero) digits is 24000000, while the sum is 52.

The spelling of 540555043551442 in words is "five hundred forty trillion, five hundred fifty-five billion, forty-three million, five hundred fifty-one thousand, four hundred forty-two".