8021426102404 has 384 divisors, whose sum is σ = 17345673805824. Its totient is φ = 3197988864000.

The previous prime is 8021426102383. The next prime is 8021426102411. The reversal of 8021426102404 is 4042016241208.

It is a self number, because there is not a number n which added to its sum of digits gives 8021426102404.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44317271194 + ... + 44317271374.

It is an arithmetic number, because the mean of its divisors is an integer number (45171025536).

Almost surely, 2^{8021426102404} is an apocalyptic number.

It is an amenable number.

8021426102404 is an abundant number, since it is smaller than the sum of its proper divisors (9324247703420).

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

8021426102404 is a wasteful number, since it uses less digits than its factorization.

8021426102404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 8021426102404 in words is "eight trillion, twenty-one billion, four hundred twenty-six million, one hundred two thousand, four hundred four".