542033246440 has 128 divisors (see below), whose sum is σ = 1398633350400. Its totient is φ = 185196718080.

The previous prime is 542033246431. The next prime is 542033246449. The reversal of 542033246440 is 44642330245.

It is an interprime number because it is at equal distance from previous prime (542033246431) and next prime (542033246449).

It is a self number, because there is not a number n which added to its sum of digits gives 542033246440.

It is not an unprimeable number, because it can be changed into a prime (542033246449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105307947 + ... + 105313093.

It is an arithmetic number, because the mean of its divisors is an integer number (10926823050).

Almost surely, 2^542033246440 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 542033246440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699316675200).

542033246440 is an abundant number, since it is smaller than the sum of its proper divisors (856600103960).

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

542033246440 is a wasteful number, since it uses less digits than its factorization.

542033246440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 542033246440 its reverse (44642330245), we get a palindrome (586675576685).

The spelling of 542033246440 in words is "five hundred forty-two billion, thirty-three million, two hundred forty-six thousand, four hundred forty".