6400426626402 has 64 divisors (see below), whose sum is σ = 13872908724480. Its totient is φ = 1961242343424.

The previous prime is 6400426626401. The next prime is 6400426626413. The reversal of 6400426626402 is 2046266240046.

It is not an unprimeable number, because it can be changed into a prime (6400426626401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3405777 + ... + 4939652.

It is an arithmetic number, because the mean of its divisors is an integer number (216764198820).

Almost surely, 2^{6400426626402} is an apocalyptic number.

6400426626402 is an abundant number, since it is smaller than the sum of its proper divisors (7472482098078).

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

6400426626402 is a wasteful number, since it uses less digits than its factorization.

6400426626402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345627.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 6400426626402 in words is "six trillion, four hundred billion, four hundred twenty-six million, six hundred twenty-six thousand, four hundred two".