542244443 has 6 divisors (see below), whose sum is σ = 587164284. Its totient is φ = 500533176.

The previous prime is 542244419. The next prime is 542244449. The reversal of 542244443 is 344442245.

It is not a de Polignac number, because 542244443 - 2¹⁸ = 541982299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542244449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604105 + ... + 1604442.

It is an arithmetic number, because the mean of its divisors is an integer number (97860714).

Almost surely, 2^542244443 is an apocalyptic number.

542244443 is a deficient number, since it is larger than the sum of its proper divisors (44919841).

542244443 is a wasteful number, since it uses less digits than its factorization.

542244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208573 (or 3208560 counting only the distinct ones).

The product of its digits is 61440, while the sum is 32.

The square root of 542244443 is about 23286.1427248052. The cubic root of 542244443 is about 815.4519394874.

Adding to 542244443 its reverse (344442245), we get a palindrome (886686688).

The spelling of 542244443 in words is "five hundred forty-two million, two hundred forty-four thousand, four hundred forty-three".