6402213633408 has 64 divisors (see below), whose sum is σ = 17745266073600. Its totient is φ = 2041285503488.

The previous prime is 6402213633401. The next prime is 6402213633427. The reversal of 6402213633408 is 8043363122046.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 6402213633408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402213633401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362435328 + ... + 362452991.

It is an arithmetic number, because the mean of its divisors is an integer number (277269782400).

Almost surely, 2^{6402213633408} is an apocalyptic number.

It is an amenable number.

6402213633408 is an abundant number, since it is smaller than the sum of its proper divisors (11343052440192).

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

6402213633408 is a wasteful number, since it uses less digits than its factorization.

6402213633408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724888359 (or 724888347 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 6402213633408 in words is "six trillion, four hundred two billion, two hundred thirteen million, six hundred thirty-three thousand, four hundred eight".