5644252064 has 48 divisors (see below), whose sum is σ = 12130443360. Its totient is φ = 2563848960.

The previous prime is 5644252063. The next prime is 5644252069. The reversal of 5644252064 is 4602524465.

It is not an unprimeable number, because it can be changed into a prime (5644252063) 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, 625247 + ... + 634209.

It is an arithmetic number, because the mean of its divisors is an integer number (252717570).

Almost surely, 2^5644252064 is an apocalyptic number.

It is an amenable number.

5644252064 is an abundant number, since it is smaller than the sum of its proper divisors (6486191296).

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

5644252064 is a wasteful number, since it uses less digits than its factorization.

5644252064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773 (or 10765 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 5644252064 is about 75128.2374610239. The cubic root of 5644252064 is about 1780.4733059415.

The spelling of 5644252064 in words is "five billion, six hundred forty-four million, two hundred fifty-two thousand, sixty-four".