542612520 has 160 divisors (see below), whose sum is σ = 1834398720. Its totient is φ = 143856000.

The previous prime is 542612519. The next prime is 542612593. The reversal of 542612520 is 25216245.

542612520 is a `hidden beast` number, since 5 + 42 + 612 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 722145 + ... + 722895.

It is an arithmetic number, because the mean of its divisors is an integer number (11464992).

Almost surely, 2^542612520 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 542612520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917199360).

542612520 is an abundant number, since it is smaller than the sum of its proper divisors (1291786200).

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

542612520 is a wasteful number, since it uses less digits than its factorization.

542612520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 542612520 is about 23294.0447325062. The cubic root of 542612520 is about 815.6364080846.

Adding to 542612520 its reverse (25216245), we get a palindrome (567828765).

The spelling of 542612520 in words is "five hundred forty-two million, six hundred twelve thousand, five hundred twenty".