5644194264 has 128 divisors (see below), whose sum is σ = 16543008000. Its totient is φ = 1778112000.

The previous prime is 5644194251. The next prime is 5644194289. The reversal of 5644194264 is 4624914465.

5644194264 is a `hidden beast` number, since 564 + 41 + 9 + 42 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2013664 + ... + 2016464.

It is an arithmetic number, because the mean of its divisors is an integer number (129242250).

Almost surely, 2^5644194264 is an apocalyptic number.

5644194264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644194264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8271504000).

5644194264 is an abundant number, since it is smaller than the sum of its proper divisors (10898813736).

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

5644194264 is a wasteful number, since it uses less digits than its factorization.

5644194264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3316 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 5644194264 is about 75127.8527844367. The cubic root of 5644194264 is about 1780.4672282713.

The spelling of 5644194264 in words is "five billion, six hundred forty-four million, one hundred ninety-four thousand, two hundred sixty-four".