542334544 has 20 divisors (see below), whose sum is σ = 1112583924. Its totient is φ = 255216128.

The previous prime is 542334509. The next prime is 542334547. The reversal of 542334544 is 445433245.

It can be written as a sum of positive squares in 2 ways, for example, as 421070400 + 121264144 = 20520^2 + 11012^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542334547) 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, 996667 + ... + 997210.

Almost surely, 2^542334544 is an apocalyptic number.

It is an amenable number.

542334544 is an abundant number, since it is smaller than the sum of its proper divisors (570249380).

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

542334544 is a wasteful number, since it uses less digits than its factorization.

542334544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993902 (or 1993896 counting only the distinct ones).

The product of its digits is 115200, while the sum is 34.

The square root of 542334544 is about 23288.0772928982. The cubic root of 542334544 is about 815.4971029846.

Adding to 542334544 its reverse (445433245), we get a palindrome (987767789).

The spelling of 542334544 in words is "five hundred forty-two million, three hundred thirty-four thousand, five hundred forty-four".