542619648 has 120 divisors (see below), whose sum is σ = 1621259640. Its totient is φ = 180817920.

The previous prime is 542619619. The next prime is 542619661. The reversal of 542619648 is 846916245.

542619648 is a `hidden beast` number, since 542 + 61 + 9 + 6 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 164253 + ... + 167523.

It is an arithmetic number, because the mean of its divisors is an integer number (13510497).

Almost surely, 2^542619648 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 542619648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810629820).

542619648 is an abundant number, since it is smaller than the sum of its proper divisors (1078639992).

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

542619648 is an equidigital number, since it uses as much as digits as its factorization.

542619648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3276 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 542619648 is about 23294.1977324827. The cubic root of 542619648 is about 815.6399795901.

The spelling of 542619648 in words is "five hundred forty-two million, six hundred nineteen thousand, six hundred forty-eight".