542444406433 has 16 divisors (see below), whose sum is σ = 554589504000. Its totient is φ = 530412886080.

The previous prime is 542444406431. The next prime is 542444406443. The reversal of 542444406433 is 334604444245.

It is a cyclic number.

It is not a de Polignac number, because 542444406433 - 2¹ = 542444406431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542444406433.

It is not an unprimeable number, because it can be changed into a prime (542444406431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7561668 + ... + 7633066.

It is an arithmetic number, because the mean of its divisors is an integer number (34661844000).

Almost surely, 2^542444406433 is an apocalyptic number.

It is an amenable number.

542444406433 is a deficient number, since it is larger than the sum of its proper divisors (12145097567).

542444406433 is a wasteful number, since it uses less digits than its factorization.

542444406433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72192.

The product of its (nonzero) digits is 2211840, while the sum is 43.

The spelling of 542444406433 in words is "five hundred forty-two billion, four hundred forty-four million, four hundred six thousand, four hundred thirty-three".