6400225461078 has 12 divisors (see below), whose sum is σ = 13867155165708. Its totient is φ = 2133408487020.

The previous prime is 6400225461073. The next prime is 6400225461127. The reversal of 6400225461078 is 8701645220046.

6400225461078 is a `hidden beast` number, since 6 + 4 + 0 + 0 + 2 + 25 + 4 + 610 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400225461073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177784040568 + ... + 177784040603.

It is an arithmetic number, because the mean of its divisors is an integer number (1155596263809).

Almost surely, 2^{6400225461078} is an apocalyptic number.

6400225461078 is an abundant number, since it is smaller than the sum of its proper divisors (7466929704630).

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

6400225461078 is a wasteful number, since it uses less digits than its factorization.

6400225461078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355568081179 (or 355568081176 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 6400225461078 in words is "six trillion, four hundred billion, two hundred twenty-five million, four hundred sixty-one thousand, seventy-eight".