542043612 has 36 divisors (see below), whose sum is σ = 1494727416. Its totient is φ = 164255520.

The previous prime is 542043559. The next prime is 542043613. The reversal of 542043612 is 216340245.

542043612 is a `hidden beast` number, since 5 + 4 + 2 + 0 + 43 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×542043612² = 587622554620013088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542043613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684003 + ... + 684794.

It is an arithmetic number, because the mean of its divisors is an integer number (41520206).

Almost surely, 2^542043612 is an apocalyptic number.

It is an amenable number.

542043612 is an abundant number, since it is smaller than the sum of its proper divisors (952683804).

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

542043612 is a wasteful number, since it uses less digits than its factorization.

542043612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368818 (or 1368813 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 542043612 is about 23281.8300827061. The cubic root of 542043612 is about 815.3512541151.

Adding to 542043612 its reverse (216340245), we get a palindrome (758383857).

The spelling of 542043612 in words is "five hundred forty-two million, forty-three thousand, six hundred twelve".