26454643446 has 64 divisors (see below), whose sum is σ = 67573771776. Its totient is φ = 6703737600.

The previous prime is 26454643441. The next prime is 26454643471. The reversal of 26454643446 is 64434645462.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26454643395 and 26454643404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26454643441) 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, 679365 + ... + 717248.

It is an arithmetic number, because the mean of its divisors is an integer number (1055840184).

Almost surely, 2^26454643446 is an apocalyptic number.

26454643446 is an abundant number, since it is smaller than the sum of its proper divisors (41119128330).

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

26454643446 is a wasteful number, since it uses less digits than its factorization.

26454643446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396677.

The product of its digits is 6635520, while the sum is 48.

The spelling of 26454643446 in words is "twenty-six billion, four hundred fifty-four million, six hundred forty-three thousand, four hundred forty-six".