6401326228 has 24 divisors (see below), whose sum is σ = 12518783424. Its totient is φ = 2838724800.

The previous prime is 6401326201. The next prime is 6401326231. The reversal of 6401326228 is 8226231046.

It is a junction number, because it is equal to n+sod(n) for n = 6401326193 and 6401326202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772400 + ... + 1776007.

It is an arithmetic number, because the mean of its divisors is an integer number (521615976).

Almost surely, 2^6401326228 is an apocalyptic number.

It is an amenable number.

6401326228 is a deficient number, since it is larger than the sum of its proper divisors (6117457196).

6401326228 is a wasteful number, since it uses less digits than its factorization.

6401326228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548463 (or 3548461 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 6401326228 is about 80008.2884956303. The cubic root of 6401326228 is about 1856.7637705267.

The spelling of 6401326228 in words is "six billion, four hundred one million, three hundred twenty-six thousand, two hundred twenty-eight".