542126231554442 has 64 divisors (see below), whose sum is σ = 839260336320000. Its totient is φ = 262546895880192.

The previous prime is 542126231554433. The next prime is 542126231554447. The reversal of 542126231554442 is 244455132621245.

It is not an unprimeable number, because it can be changed into a prime (542126231554447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1079688188 + ... + 1080190184.

It is an arithmetic number, because the mean of its divisors is an integer number (13113442755000).

Almost surely, 2^{542126231554442} is an apocalyptic number.

542126231554442 is a deficient number, since it is larger than the sum of its proper divisors (297134104765558).

542126231554442 is a wasteful number, since it uses less digits than its factorization.

542126231554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502703.

The product of its digits is 9216000, while the sum is 50.

The spelling of 542126231554442 in words is "five hundred forty-two trillion, one hundred twenty-six billion, two hundred thirty-one million, five hundred fifty-four thousand, four hundred forty-two".