26345210031242 has 4 divisors (see below), whose sum is σ = 39517815046866. Its totient is φ = 13172605015620.

The previous prime is 26345210031241. The next prime is 26345210031247. The reversal of 26345210031242 is 24213001254362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15945159073321 + 10400050957921 = 3993139^2 + 3224911^2 .

It is a super-3 number, since 3×26345210031242³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (26345210031241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586302507809 + ... + 6586302507812.

Almost surely, 2^{26345210031242} is an apocalyptic number.

26345210031242 is a deficient number, since it is larger than the sum of its proper divisors (13172605015624).

26345210031242 is a wasteful number, since it uses less digits than its factorization.

26345210031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172605015623.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 26345210031242 in words is "twenty-six trillion, three hundred forty-five billion, two hundred ten million, thirty-one thousand, two hundred forty-two".