542051332440 has 64 divisors (see below), whose sum is σ = 1626283461600. Its totient is φ = 144535514112.

The previous prime is 542051332423. The next prime is 542051332441. The reversal of 542051332440 is 44233150245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542051332441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390666 + ... + 1737254.

Almost surely, 2^542051332440 is an apocalyptic number.

It is an amenable number.

542051332440 is an abundant number, since it is smaller than the sum of its proper divisors (1084232129160).

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

542051332440 is a wasteful number, since it uses less digits than its factorization.

542051332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359636 (or 359632 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 542051332440 its reverse (44233150245), we get a palindrome (586284482685).

The spelling of 542051332440 in words is "five hundred forty-two billion, fifty-one million, three hundred thirty-two thousand, four hundred forty".