542225012028 has 36 divisors (see below), whose sum is σ = 1471753605672. Its totient is φ = 154921431840.

The previous prime is 542225012027. The next prime is 542225012033. The reversal of 542225012028 is 820210522245.

It is a self number, because there is not a number n which added to its sum of digits gives 542225012028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542225012027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461075103 + ... + 461076278.

It is an arithmetic number, because the mean of its divisors is an integer number (40882044602).

Almost surely, 2^542225012028 is an apocalyptic number.

It is an amenable number.

542225012028 is an abundant number, since it is smaller than the sum of its proper divisors (929528593644).

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

542225012028 is a wasteful number, since it uses less digits than its factorization.

542225012028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922151402 (or 922151393 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 542225012028 in words is "five hundred forty-two billion, two hundred twenty-five million, twelve thousand, twenty-eight".