6581040026 has 32 divisors (see below), whose sum is σ = 11030247360. Its totient is φ = 2919628800.

The previous prime is 6581040023. The next prime is 6581040041. The reversal of 6581040026 is 6200401856.

It is a junction number, because it is equal to n+sod(n) for n = 6581039974 and 6581040001.

It is not an unprimeable number, because it can be changed into a prime (6581040023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140186 + ... + 181146.

It is an arithmetic number, because the mean of its divisors is an integer number (344695230).

Almost surely, 2^6581040026 is an apocalyptic number.

6581040026 is a deficient number, since it is larger than the sum of its proper divisors (4449207334).

6581040026 is a wasteful number, since it uses less digits than its factorization.

6581040026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41150.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 6581040026 is about 81123.6095474061. The cubic root of 6581040026 is about 1873.9795360700.

The spelling of 6581040026 in words is "six billion, five hundred eighty-one million, forty thousand, twenty-six".