542046340 has 48 divisors (see below), whose sum is σ = 1247770944. Its totient is φ = 196156800.

The previous prime is 542046301. The next prime is 542046397. The reversal of 542046340 is 43640245.

It is a junction number, because it is equal to n+sod(n) for n = 542046299 and 542046308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40582 + ... + 52258.

It is an arithmetic number, because the mean of its divisors is an integer number (25995228).

Almost surely, 2^542046340 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 542046340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623885472).

542046340 is an abundant number, since it is smaller than the sum of its proper divisors (705724604).

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

542046340 is a wasteful number, since it uses less digits than its factorization.

542046340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908 (or 11906 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 542046340 is about 23281.8886690921. Note that the first 3 decimals coincide. The cubic root of 542046340 is about 815.3526219476.

Adding to 542046340 its reverse (43640245), we get a palindrome (585686585).

The spelling of 542046340 in words is "five hundred forty-two million, forty-six thousand, three hundred forty".