26406442446 has 8 divisors (see below), whose sum is σ = 52812884904. Its totient is φ = 8802147480.

The previous prime is 26406442429. The next prime is 26406442453. The reversal of 26406442446 is 64424460462.

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

26406442446 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26406442398 and 26406442407.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2200536865 + ... + 2200536876.

It is an arithmetic number, because the mean of its divisors is an integer number (6601610613).

Almost surely, 2^26406442446 is an apocalyptic number.

26406442446 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.

26406442446 is a wasteful number, since it uses less digits than its factorization.

26406442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401073746.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 26406442446 in words is "twenty-six billion, four hundred six million, four hundred forty-two thousand, four hundred forty-six".