26412891438 has 8 divisors (see below), whose sum is σ = 52825782888. Its totient is φ = 8804297144.

The previous prime is 26412891433. The next prime is 26412891451. The reversal of 26412891438 is 83419821462.

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

26412891438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26412891431) 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, 2201074281 + ... + 2201074292.

It is an arithmetic number, because the mean of its divisors is an integer number (6603222861).

Almost surely, 2^26412891438 is an apocalyptic number.

26412891438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26412891438 is a wasteful number, since it uses less digits than its factorization.

26412891438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402148578.

The product of its digits is 663552, while the sum is 48.

The spelling of 26412891438 in words is "twenty-six billion, four hundred twelve million, eight hundred ninety-one thousand, four hundred thirty-eight".