26840404342 has 8 divisors (see below), whose sum is σ = 40267017000. Its totient is φ = 13418065344.

The previous prime is 26840404337. The next prime is 26840404343. The reversal of 26840404342 is 24340404862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26840404343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052667 + ... + 1077862.

It is an arithmetic number, because the mean of its divisors is an integer number (5033377125).

Almost surely, 2^26840404342 is an apocalyptic number.

26840404342 is a deficient number, since it is larger than the sum of its proper divisors (13426612658).

26840404342 is a wasteful number, since it uses less digits than its factorization.

26840404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136830.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 26840404342 in words is "twenty-six billion, eight hundred forty million, four hundred four thousand, three hundred forty-two".