5631344000 has 64 divisors (see below), whose sum is σ = 14000968800. Its totient is φ = 2252531200.

The previous prime is 5631343999. The next prime is 5631344003. The reversal of 5631344000 is 4431365.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631344003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159980 + ... + 191979.

Almost surely, 2^5631344000 is an apocalyptic number.

5631344000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5631344000 is an abundant number, since it is smaller than the sum of its proper divisors (8369624800).

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

5631344000 is an equidigital number, since it uses as much as digits as its factorization.

5631344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351988 (or 351966 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5631344000 is about 75042.2814152129. The cubic root of 5631344000 is about 1779.1149916038.

Adding to 5631344000 its reverse (4431365), we get a palindrome (5635775365).

The spelling of 5631344000 in words is "five billion, six hundred thirty-one million, three hundred forty-four thousand".