2644433288108 has 6 divisors (see below), whose sum is σ = 4627758254196. Its totient is φ = 1322216644052.

The previous prime is 2644433287999. The next prime is 2644433288131. The reversal of 2644433288108 is 8018823344462.

It is a self number, because there is not a number n which added to its sum of digits gives 2644433288108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330554161010 + ... + 330554161017.

It is an arithmetic number, because the mean of its divisors is an integer number (771293042366).

Almost surely, 2^{2644433288108} is an apocalyptic number.

It is an amenable number.

2644433288108 is a deficient number, since it is larger than the sum of its proper divisors (1983324966088).

2644433288108 is a wasteful number, since it uses less digits than its factorization.

2644433288108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661108322031 (or 661108322029 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 53.

The spelling of 2644433288108 in words is "two trillion, six hundred forty-four billion, four hundred thirty-three million, two hundred eighty-eight thousand, one hundred eight".