26642224442 has 8 divisors (see below), whose sum is σ = 39982473300. Its totient is φ = 13314733344.

The previous prime is 26642224423. The next prime is 26642224481. The reversal of 26642224442 is 24442224662.

It can be written as a sum of positive squares in 2 ways, for example, as 24844379641 + 1797844801 = 157621^2 + 42401^2 .

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

It is a super-2 number, since 2×26642224442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26642224396 and 26642224405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184217 + ... + 3192572.

Almost surely, 2^26642224442 is an apocalyptic number.

26642224442 is a deficient number, since it is larger than the sum of its proper divisors (13340248858).

26642224442 is a wasteful number, since it uses less digits than its factorization.

26642224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378880.

The product of its digits is 294912, while the sum is 38.

The spelling of 26642224442 in words is "twenty-six billion, six hundred forty-two million, two hundred twenty-four thousand, four hundred forty-two".