5818640442 has 8 divisors (see below), whose sum is σ = 11637280896. Its totient is φ = 1939546812.

The previous prime is 5818640431. The next prime is 5818640453. The reversal of 5818640442 is 2440468185.

It is an interprime number because it is at equal distance from previous prime (5818640431) and next prime (5818640453).

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

5818640442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 5818640394 and 5818640403.

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, 484886698 + ... + 484886709.

It is an arithmetic number, because the mean of its divisors is an integer number (1454660112).

Almost surely, 2^5818640442 is an apocalyptic number.

5818640442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5818640442 is a wasteful number, since it uses less digits than its factorization.

5818640442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969773412.

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 5818640442 is about 76280.0133848966. The cubic root of 5818640442 is about 1798.6245090469.

The spelling of 5818640442 in words is "five billion, eight hundred eighteen million, six hundred forty thousand, four hundred forty-two".