26456434642 has 8 divisors (see below), whose sum is σ = 43292347632. Its totient is φ = 12025652100.

The previous prime is 26456434639. The next prime is 26456434643. The reversal of 26456434642 is 24643465462.

26456434642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 26456434592 and 26456434601.

It is not an unprimeable number, because it can be changed into a prime (26456434643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601282584 + ... + 601282627.

It is an arithmetic number, because the mean of its divisors is an integer number (5411543454).

Almost surely, 2^26456434642 is an apocalyptic number.

26456434642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26456434642 is a deficient number, since it is larger than the sum of its proper divisors (16835912990).

26456434642 is a wasteful number, since it uses less digits than its factorization.

26456434642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202565224.

The product of its digits is 3317760, while the sum is 46.

The spelling of 26456434642 in words is "twenty-six billion, four hundred fifty-six million, four hundred thirty-four thousand, six hundred forty-two".