542131044 has 72 divisors (see below), whose sum is σ = 1565484480. Its totient is φ = 142975872.

The previous prime is 542131001. The next prime is 542131061. The reversal of 542131044 is 440131245.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4899 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (21742840).

Almost surely, 2^542131044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542131044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782742240).

542131044 is an abundant number, since it is smaller than the sum of its proper divisors (1023353436).

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

542131044 is a wasteful number, since it uses less digits than its factorization.

542131044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38229 (or 38214 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 542131044 is about 23283.7076944373. The cubic root of 542131044 is about 815.3950906606.

Adding to 542131044 its reverse (440131245), we get a palindrome (982262289).

The spelling of 542131044 in words is "five hundred forty-two million, one hundred thirty-one thousand, forty-four".