542002520 has 32 divisors (see below), whose sum is σ = 1220324400. Its totient is φ = 216655488.

The previous prime is 542002511. The next prime is 542002541. The reversal of 542002520 is 25200245.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 542002492 and 542002501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71471 + ... + 78689.

Almost surely, 2^542002520 is an apocalyptic number.

It is an amenable number.

542002520 is an abundant number, since it is smaller than the sum of its proper divisors (678321880).

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

542002520 is a wasteful number, since it uses less digits than its factorization.

542002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 542002520 is about 23280.9475752170. The cubic root of 542002520 is about 815.3306498319.

Adding to 542002520 its reverse (25200245), we get a palindrome (567202765).

The spelling of 542002520 in words is "five hundred forty-two million, two thousand, five hundred twenty".