541644426 has 96 divisors (see below), whose sum is σ = 1266408000. Its totient is φ = 166973184.

The previous prime is 541644409. The next prime is 541644449. The reversal of 541644426 is 624446145.

541644426 is a `hidden beast` number, since 5 + 4 + 1 + 644 + 4 + 2 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324110 + ... + 1324518.

It is an arithmetic number, because the mean of its divisors is an integer number (13191750).

Almost surely, 2^541644426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541644426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633204000).

541644426 is an abundant number, since it is smaller than the sum of its proper divisors (724763574).

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

541644426 is a wasteful number, since it uses less digits than its factorization.

541644426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 545 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 541644426 is about 23273.2555952106. The cubic root of 541644426 is about 815.1510508289.

The spelling of 541644426 in words is "five hundred forty-one million, six hundred forty-four thousand, four hundred twenty-six".