26223105243642 has 16 divisors (see below), whose sum is σ = 52448138203872. Its totient is φ = 8740713795120.

The previous prime is 26223105243637. The next prime is 26223105243667. The reversal of 26223105243642 is 24634250132262.

It is a junction number, because it is equal to n+sod(n) for n = 26223105243594 and 26223105243603.

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, 80144653 + ... + 80471184.

It is an arithmetic number, because the mean of its divisors is an integer number (3278008637742).

Almost surely, 2^{26223105243642} is an apocalyptic number.

26223105243642 is an abundant number, since it is smaller than the sum of its proper divisors (26225032960230).

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

26223105243642 is a wasteful number, since it uses less digits than its factorization.

26223105243642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160643053.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 26223105243642 in words is "twenty-six trillion, two hundred twenty-three billion, one hundred five million, two hundred forty-three thousand, six hundred forty-two".