542031400 has 48 divisors (see below), whose sum is σ = 1334362140. Its totient is φ = 204057600.

The previous prime is 542031397. The next prime is 542031419. The reversal of 542031400 is 4130245.

It can be written as a sum of positive squares in 6 ways, for example, as 361988676 + 180042724 = 19026^2 + 13418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76311 + ... + 83110.

Almost surely, 2^542031400 is an apocalyptic number.

542031400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

542031400 is an abundant number, since it is smaller than the sum of its proper divisors (792330740).

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

542031400 is a wasteful number, since it uses less digits than its factorization.

542031400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159454 (or 159445 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 542031400 is about 23281.5678166227. The cubic root of 542031400 is about 815.3451309029.

Adding to 542031400 its reverse (4130245), we get a palindrome (546161645).

The spelling of 542031400 in words is "five hundred forty-two million, thirty-one thousand, four hundred".