5641440806 has 8 divisors (see below), whose sum is σ = 8465109120. Its totient is φ = 2819737768.

The previous prime is 5641440799. The next prime is 5641440817. The reversal of 5641440806 is 6080441465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5641440806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484121 + ... + 495636.

It is an arithmetic number, because the mean of its divisors is an integer number (1058138640).

Almost surely, 2^5641440806 is an apocalyptic number.

5641440806 is a deficient number, since it is larger than the sum of its proper divisors (2823668314).

5641440806 is a wasteful number, since it uses less digits than its factorization.

5641440806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982638.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 5641440806 is about 75109.5254012432. The cubic root of 5641440806 is about 1780.1776540692.

The spelling of 5641440806 in words is "five billion, six hundred forty-one million, four hundred forty thousand, eight hundred six".