5644540140 has 96 divisors (see below), whose sum is σ = 17173309440. Its totient is φ = 1379980800.

The previous prime is 5644540133. The next prime is 5644540169. The reversal of 5644540140 is 410454465.

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, 44521 + ... + 115200.

It is an arithmetic number, because the mean of its divisors is an integer number (178888640).

Almost surely, 2^5644540140 is an apocalyptic number.

It is an amenable number.

5644540140 is an abundant number, since it is smaller than the sum of its proper divisors (11528769300).

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

5644540140 is a wasteful number, since it uses less digits than its factorization.

5644540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159783 (or 159781 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 5644540140 is about 75130.1546650877. The cubic root of 5644540140 is about 1780.5035965154.

The spelling of 5644540140 in words is "five billion, six hundred forty-four million, five hundred forty thousand, one hundred forty".