26457643342 has 16 divisors (see below), whose sum is σ = 42748670160. Its totient is φ = 12208534272.

The previous prime is 26457643339. The next prime is 26457643397. The reversal of 26457643342 is 24334675462.

It is a junction number, because it is equal to n+sod(n) for n = 26457643292 and 26457643301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11134 + ... + 230302.

It is an arithmetic number, because the mean of its divisors is an integer number (2671791885).

Almost surely, 2^26457643342 is an apocalyptic number.

26457643342 is a deficient number, since it is larger than the sum of its proper divisors (16291026818).

26457643342 is a wasteful number, since it uses less digits than its factorization.

26457643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223827.

The product of its digits is 2903040, while the sum is 46.

The spelling of 26457643342 in words is "twenty-six billion, four hundred fifty-seven million, six hundred forty-three thousand, three hundred forty-two".