544439801 has 4 divisors (see below), whose sum is σ = 545739600. Its totient is φ = 543140004.

The previous prime is 544439783. The next prime is 544439821. The reversal of 544439801 is 108934445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108934445 = 5 ⋅21786889.

It is a cyclic number.

It is not a de Polignac number, because 544439801 - 2¹⁴ = 544423417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544439821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649271 + ... + 650108.

It is an arithmetic number, because the mean of its divisors is an integer number (136434900).

Almost surely, 2^544439801 is an apocalyptic number.

It is an amenable number.

544439801 is a deficient number, since it is larger than the sum of its proper divisors (1299799).

544439801 is a wasteful number, since it uses less digits than its factorization.

544439801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299798.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 544439801 is about 23333.2338307402. The cubic root of 544439801 is about 816.5509508313.

The spelling of 544439801 in words is "five hundred forty-four million, four hundred thirty-nine thousand, eight hundred one".