5641626788 has 24 divisors (see below), whose sum is σ = 11388710592. Its totient is φ = 2395242144.

The previous prime is 5641626779. The next prime is 5641626799. The reversal of 5641626788 is 8876261465.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938531 + ... + 944522.

It is an arithmetic number, because the mean of its divisors is an integer number (474529608).

Almost surely, 2^5641626788 is an apocalyptic number.

It is an amenable number.

5641626788 is an abundant number, since it is smaller than the sum of its proper divisors (5747083804).

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

5641626788 is a wasteful number, since it uses less digits than its factorization.

5641626788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883171 (or 1883169 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 5641626788 is about 75110.7634630350. The cubic root of 5641626788 is about 1780.1972162918.

The spelling of 5641626788 in words is "five billion, six hundred forty-one million, six hundred twenty-six thousand, seven hundred eighty-eight".