6400225718458 has 64 divisors (see below), whose sum is σ = 12005734204800. Its totient is φ = 2515486786560.

The previous prime is 6400225718437. The next prime is 6400225718461. The reversal of 6400225718458 is 8548175220046.

It is a super-2 number, since 2×6400225718458² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6133291 + ... + 7100542.

It is an arithmetic number, because the mean of its divisors is an integer number (187589596950).

Almost surely, 2^{6400225718458} is an apocalyptic number.

6400225718458 is a deficient number, since it is larger than the sum of its proper divisors (5605508486342).

6400225718458 is a wasteful number, since it uses less digits than its factorization.

6400225718458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233967.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 6400225718458 in words is "six trillion, four hundred billion, two hundred twenty-five million, seven hundred eighteen thousand, four hundred fifty-eight".