8408004400844 has 12 divisors (see below), whose sum is σ = 15221387277600. Its totient is φ = 4059036607248.

The previous prime is 8408004400837. The next prime is 8408004400871. The reversal of 8408004400844 is 4480044008048.

It is a super-2 number, since 2×8408004400844² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8408004400795 and 8408004400804.

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, 36241398164 + ... + 36241398395.

It is an arithmetic number, because the mean of its divisors is an integer number (1268448939800).

Almost surely, 2^{8408004400844} is an apocalyptic number.

It is an amenable number.

8408004400844 is a deficient number, since it is larger than the sum of its proper divisors (6813382876756).

8408004400844 is a wasteful number, since it uses less digits than its factorization.

8408004400844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72482796592 (or 72482796590 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 8408004400844 in words is "eight trillion, four hundred eight billion, four million, four hundred thousand, eight hundred forty-four".