6401011026 has 64 divisors (see below), whose sum is σ = 13394339712. Its totient is φ = 2037353472.

The previous prime is 6401010997. The next prime is 6401011033. The reversal of 6401011026 is 6201101046.

It is a junction number, because it is equal to n+sod(n) for n = 6401010993 and 6401011011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5011900 + ... + 5013176.

It is an arithmetic number, because the mean of its divisors is an integer number (209286558).

Almost surely, 2^6401011026 is an apocalyptic number.

6401011026 is an abundant number, since it is smaller than the sum of its proper divisors (6993328686).

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

6401011026 is a wasteful number, since it uses less digits than its factorization.

6401011026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 6401011026 is about 80006.3186629656. The cubic root of 6401011026 is about 1856.7332942764.

The spelling of 6401011026 in words is "six billion, four hundred one million, eleven thousand, twenty-six".