26404146456 has 16 divisors (see below), whose sum is σ = 66010366200. Its totient is φ = 8801382144.

The previous prime is 26404146443. The next prime is 26404146539. The reversal of 26404146456 is 65464140462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550086361 + ... + 550086408.

Almost surely, 2^26404146456 is an apocalyptic number.

It is an amenable number.

26404146456 is an abundant number, since it is smaller than the sum of its proper divisors (39606219744).

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

26404146456 is a wasteful number, since it uses less digits than its factorization.

26404146456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100172778 (or 1100172774 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 26404146456 in words is "twenty-six billion, four hundred four million, one hundred forty-six thousand, four hundred fifty-six".