5244554644 has 24 divisors (see below), whose sum is σ = 10581939648. Its totient is φ = 2227774080.

The previous prime is 5244554617. The next prime is 5244554681. The reversal of 5244554644 is 4464554425.

It is a self number, because there is not a number n which added to its sum of digits gives 5244554644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825622 + ... + 831949.

It is an arithmetic number, because the mean of its divisors is an integer number (440914152).

Almost surely, 2^5244554644 is an apocalyptic number.

It is an amenable number.

5244554644 is an abundant number, since it is smaller than the sum of its proper divisors (5337385004).

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

5244554644 is a wasteful number, since it uses less digits than its factorization.

5244554644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657695 (or 1657693 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 43.

The square root of 5244554644 is about 72419.2974558577. The cubic root of 5244554644 is about 1737.4122192528.

The spelling of 5244554644 in words is "five billion, two hundred forty-four million, five hundred fifty-four thousand, six hundred forty-four".