5644000420 has 24 divisors (see below), whose sum is σ = 11858676984. Its totient is φ = 2256404736.

The previous prime is 5644000409. The next prime is 5644000441. The reversal of 5644000420 is 240004465.

It can be written as a sum of positive squares in 4 ways, for example, as 1416920164 + 4227080256 = 37642^2 + 65016^2 .

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 7 ways as a sum of consecutive naturals, for example, 35499 + ... + 112018.

It is an arithmetic number, because the mean of its divisors is an integer number (494111541).

Almost surely, 2^5644000420 is an apocalyptic number.

It is an amenable number.

5644000420 is an abundant number, since it is smaller than the sum of its proper divisors (6214676564).

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

5644000420 is a wasteful number, since it uses less digits than its factorization.

5644000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149439 (or 149437 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5644000420 is about 75126.5626792548. The cubic root of 5644000420 is about 1780.4468452709.

Adding to 5644000420 its reverse (240004465), we get a palindrome (5884004885).

The spelling of 5644000420 in words is "five billion, six hundred forty-four million, four hundred twenty", and thus it is an aban number.