5644534020 has 48 divisors (see below), whose sum is σ = 15909387648. Its totient is φ = 1495238400.

The previous prime is 5644533991. The next prime is 5644534039. The reversal of 5644534020 is 204354465.

It is a super-3 number, since 3×5644534020³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302449 + ... + 320568.

It is an arithmetic number, because the mean of its divisors is an integer number (331445576).

Almost surely, 2^5644534020 is an apocalyptic number.

It is an amenable number.

5644534020 is an abundant number, since it is smaller than the sum of its proper divisors (10264853628).

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

5644534020 is a wasteful number, since it uses less digits than its factorization.

5644534020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623180 (or 623178 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 5644534020 is about 75130.1139357581. The cubic root of 5644534020 is about 1780.5029530212.

Adding to 5644534020 its reverse (204354465), we get a palindrome (5848888485).

The spelling of 5644534020 in words is "five billion, six hundred forty-four million, five hundred thirty-four thousand, twenty".