26346746242 has 8 divisors (see below), whose sum is σ = 39559135356. Its totient is φ = 13160367792.

The previous prime is 26346746201. The next prime is 26346746267. The reversal of 26346746242 is 24264764362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16330539681 + 10016206561 = 127791^2 + 100081^2 .

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

It is a super-3 number, since 3×26346746242³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 26346746192 and 26346746201.

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, 6500133 + ... + 6504184.

Almost surely, 2^26346746242 is an apocalyptic number.

26346746242 is a deficient number, since it is larger than the sum of its proper divisors (13212389114).

26346746242 is a wasteful number, since it uses less digits than its factorization.

26346746242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005332.

The product of its digits is 2322432, while the sum is 46.

The spelling of 26346746242 in words is "twenty-six billion, three hundred forty-six million, seven hundred forty-six thousand, two hundred forty-two".