8020400424402 has 32 divisors (see below), whose sum is σ = 16079647777344. Its totient is φ = 2666992910400.

The previous prime is 8020400424383. The next prime is 8020400424481. The reversal of 8020400424402 is 2044240040208.

It is a self number, because there is not a number n which added to its sum of digits gives 8020400424402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66274833 + ... + 66395739.

It is an arithmetic number, because the mean of its divisors is an integer number (502488993042).

Almost surely, 2^{8020400424402} is an apocalyptic number.

8020400424402 is an abundant number, since it is smaller than the sum of its proper divisors (8059247352942).

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

8020400424402 is a wasteful number, since it uses less digits than its factorization.

8020400424402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147594.

The product of its (nonzero) digits is 16384, while the sum is 30.

The spelling of 8020400424402 in words is "eight trillion, twenty billion, four hundred million, four hundred twenty-four thousand, four hundred two".