542388045256 has 64 divisors (see below), whose sum is σ = 1082066918400. Its totient is φ = 254150664768.

The previous prime is 542388045223. The next prime is 542388045257. The reversal of 542388045256 is 652540883245.

It is not an unprimeable number, because it can be changed into a prime (542388045257) 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, 14807941 + ... + 14844523.

It is an arithmetic number, because the mean of its divisors is an integer number (16907295600).

Almost surely, 2^542388045256 is an apocalyptic number.

It is an amenable number.

542388045256 is a deficient number, since it is larger than the sum of its proper divisors (539678873144).

542388045256 is a wasteful number, since it uses less digits than its factorization.

542388045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658 (or 37654 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 52.

The spelling of 542388045256 in words is "five hundred forty-two billion, three hundred eighty-eight million, forty-five thousand, two hundred fifty-six".