542056066140 has 48 divisors (see below), whose sum is σ = 1517921556480. Its totient is φ = 144532610880.

The previous prime is 542056066129. The next prime is 542056066163. The reversal of 542056066140 is 41660650245.

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, 73521 + ... + 1043799.

It is an arithmetic number, because the mean of its divisors is an integer number (31623365760).

Almost surely, 2^542056066140 is an apocalyptic number.

It is an amenable number.

542056066140 is an abundant number, since it is smaller than the sum of its proper divisors (975865490340).

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

542056066140 is a wasteful number, since it uses less digits than its factorization.

542056066140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979602 (or 979600 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 542056066140 in words is "five hundred forty-two billion, fifty-six million, sixty-six thousand, one hundred forty".