6404306056356 has 192 divisors, whose sum is σ = 17257643827200. Its totient is φ = 1830931728384.

The previous prime is 6404306056243. The next prime is 6404306056367. The reversal of 6404306056356 is 6536506034046.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316736815 + ... + 316757033.

It is an arithmetic number, because the mean of its divisors is an integer number (89883561600).

Almost surely, 2^{6404306056356} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6404306056356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8628821913600).

6404306056356 is an abundant number, since it is smaller than the sum of its proper divisors (10853337770844).

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

6404306056356 is a wasteful number, since it uses less digits than its factorization.

6404306056356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 21776 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 6404306056356 in words is "six trillion, four hundred four billion, three hundred six million, fifty-six thousand, three hundred fifty-six".