542535444 has 108 divisors (see below), whose sum is σ = 1533692160. Its totient is φ = 161541600.

The previous prime is 542535437. The next prime is 542535479. The reversal of 542535444 is 444535245.

542535444 = T₁₈₅ + T₁₈₆ + ... + T₁₄₈₂.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542535399 and 542535408.

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 35 ways as a sum of consecutive naturals, for example, 255949 + ... + 258059.

Almost surely, 2^542535444 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 542535444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766846080).

542535444 is an abundant number, since it is smaller than the sum of its proper divisors (991156716).

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

542535444 is a wasteful number, since it uses less digits than its factorization.

542535444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2186 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 542535444 is about 23292.3902594817. The cubic root of 542535444 is about 815.5977869284.

The spelling of 542535444 in words is "five hundred forty-two million, five hundred thirty-five thousand, four hundred forty-four".