542432425540 has 24 divisors (see below), whose sum is σ = 1139148241560. Its totient is φ = 216965323008.

The previous prime is 542432425531. The next prime is 542432425543. The reversal of 542432425540 is 45524234245.

It can be written as a sum of positive squares in 4 ways, for example, as 24213849664 + 518218575876 = 155608^2 + 719874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542432425493 and 542432425502.

It is not an unprimeable number, because it can be changed into a prime (542432425543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122064 + ... + 1048696.

It is an arithmetic number, because the mean of its divisors is an integer number (47464510065).

Almost surely, 2^542432425540 is an apocalyptic number.

It is an amenable number.

542432425540 is an abundant number, since it is smaller than the sum of its proper divisors (596715816020).

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

542432425540 is a wasteful number, since it uses less digits than its factorization.

542432425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955911 (or 955909 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 542432425540 its reverse (45524234245), we get a palindrome (587956659785).

The spelling of 542432425540 in words is "five hundred forty-two billion, four hundred thirty-two million, four hundred twenty-five thousand, five hundred forty".