542020500 has 144 divisors (see below), whose sum is σ = 1954278144. Its totient is φ = 123883200.

The previous prime is 542020487. The next prime is 542020519. The reversal of 542020500 is 5020245.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22897 + ... + 40103.

It is an arithmetic number, because the mean of its divisors is an integer number (13571376).

Almost surely, 2^542020500 is an apocalyptic number.

542020500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977139072).

542020500 is an abundant number, since it is smaller than the sum of its proper divisors (1412257644).

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

542020500 is a wasteful number, since it uses less digits than its factorization.

542020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17239 (or 17224 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 542020500 is about 23281.3337246817. Note that the first 3 decimals coincide. The cubic root of 542020500 is about 815.3396654621.

Adding to 542020500 its reverse (5020245), we get a palindrome (547040745).

The spelling of 542020500 in words is "five hundred forty-two million, twenty thousand, five hundred".