542213442 has 24 divisors (see below), whose sum is σ = 1175307120. Its totient is φ = 180659160.

The previous prime is 542213423. The next prime is 542213447. The reversal of 542213442 is 244312245.

542213442 is a `hidden beast` number, since 5 + 4 + 2 + 213 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (542213447) 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, 48409 + ... + 58547.

It is an arithmetic number, because the mean of its divisors is an integer number (48971130).

Almost surely, 2^542213442 is an apocalyptic number.

542213442 is an abundant number, since it is smaller than the sum of its proper divisors (633093678).

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

542213442 is a wasteful number, since it uses less digits than its factorization.

542213442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118 (or 13115 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 542213442 is about 23285.4770618942. The cubic root of 542213442 is about 815.4363989518.

Adding to 542213442 its reverse (244312245), we get a palindrome (786525687).

The spelling of 542213442 in words is "five hundred forty-two million, two hundred thirteen thousand, four hundred forty-two".