27409326406 has 64 divisors (see below), whose sum is σ = 55298557440. Its totient is φ = 9861096960.

The previous prime is 27409326397. The next prime is 27409326409. The reversal of 27409326406 is 60462390472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27409326409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39985 + ... + 237523.

It is an arithmetic number, because the mean of its divisors is an integer number (864039960).

Almost surely, 2^27409326406 is an apocalyptic number.

27409326406 is an abundant number, since it is smaller than the sum of its proper divisors (27889231034).

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

27409326406 is a wasteful number, since it uses less digits than its factorization.

27409326406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197629.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 27409326406 in words is "twenty-seven billion, four hundred nine million, three hundred twenty-six thousand, four hundred six".