542323720 has 16 divisors (see below), whose sum is σ = 1220228460. Its totient is φ = 216929472.

The previous prime is 542323711. The next prime is 542323729. The reversal of 542323720 is 27323245.

It is an interprime number because it is at equal distance from previous prime (542323711) and next prime (542323729).

It can be written as a sum of positive squares in 2 ways, for example, as 501132996 + 41190724 = 22386^2 + 6418^2 .

It is not an unprimeable number, because it can be changed into a prime (542323729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6779007 + ... + 6779086.

Almost surely, 2^542323720 is an apocalyptic number.

It is an amenable number.

542323720 is an abundant number, since it is smaller than the sum of its proper divisors (677904740).

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

542323720 is a wasteful number, since it uses less digits than its factorization.

542323720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558104 (or 13558100 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 542323720 is about 23287.8448981438. The cubic root of 542323720 is about 815.4916776744.

Adding to 542323720 its reverse (27323245), we get a palindrome (569646965).

The spelling of 542323720 in words is "five hundred forty-two million, three hundred twenty-three thousand, seven hundred twenty".