542005404 has 48 divisors (see below), whose sum is σ = 1307124000. Its totient is φ = 174684160.

The previous prime is 542005379. The next prime is 542005423. The reversal of 542005404 is 404500245.

It is a congruent number.

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, 50722 + ... + 60470.

It is an arithmetic number, because the mean of its divisors is an integer number (27231750).

Almost surely, 2^542005404 is an apocalyptic number.

It is an amenable number.

542005404 is an abundant number, since it is smaller than the sum of its proper divisors (765118596).

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

542005404 is a wasteful number, since it uses less digits than its factorization.

542005404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910 (or 9908 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 542005404 is about 23281.0095141942. The cubic root of 542005404 is about 815.3320959564.

Adding to 542005404 its reverse (404500245), we get a palindrome (946505649).

The spelling of 542005404 in words is "five hundred forty-two million, five thousand, four hundred four".