542044012664 has 96 divisors (see below), whose sum is σ = 1292877465600. Its totient is φ = 208512532800.

The previous prime is 542044012639. The next prime is 542044012669. The reversal of 542044012664 is 466210440245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542044012669) 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 23 ways as a sum of consecutive naturals, for example, 29009 + ... + 1041599.

It is an arithmetic number, because the mean of its divisors is an integer number (13467473600).

Almost surely, 2^542044012664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542044012664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646438732800).

542044012664 is an abundant number, since it is smaller than the sum of its proper divisors (750833452936).

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

542044012664 is a wasteful number, since it uses less digits than its factorization.

542044012664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012705 (or 1012690 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 542044012664 in words is "five hundred forty-two billion, forty-four million, twelve thousand, six hundred sixty-four".