542162236 has 24 divisors (see below), whose sum is σ = 1182900096. Its totient is φ = 211231920.

The previous prime is 542162213. The next prime is 542162261. The reversal of 542162236 is 632261245.

It is a junction number, because it is equal to n+sod(n) for n = 542162198 and 542162207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879826 + ... + 880441.

It is an arithmetic number, because the mean of its divisors is an integer number (49287504).

Almost surely, 2^542162236 is an apocalyptic number.

It is an amenable number.

542162236 is an abundant number, since it is smaller than the sum of its proper divisors (640737860).

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

542162236 is a wasteful number, since it uses less digits than its factorization.

542162236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760289 (or 1760287 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 542162236 is about 23284.3775093946. The cubic root of 542162236 is about 815.4107285254.

Subtracting 542162236 from its reverse (632261245), we obtain a palindrome (90099009).

The spelling of 542162236 in words is "five hundred forty-two million, one hundred sixty-two thousand, two hundred thirty-six".