26126640906 has 8 divisors (see below), whose sum is σ = 52253281824. Its totient is φ = 8708880300.

The previous prime is 26126640889. The next prime is 26126640931. The reversal of 26126640906 is 60904662162.

It is a sphenic number, since it is the product of 3 distinct primes.

26126640906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177220070 + ... + 2177220081.

It is an arithmetic number, because the mean of its divisors is an integer number (6531660228).

Almost surely, 2^26126640906 is an apocalyptic number.

26126640906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26126640906 is a wasteful number, since it uses less digits than its factorization.

26126640906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354440156.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 26126640906 in words is "twenty-six billion, one hundred twenty-six million, six hundred forty thousand, nine hundred six".