26851109352 has 32 divisors (see below), whose sum is σ = 67151198400. Its totient is φ = 8947246464.

The previous prime is 26851109347. The next prime is 26851109359. The reversal of 26851109352 is 25390115862.

It is not an unprimeable number, because it can be changed into a prime (26851109359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124477 + ... + 263052.

It is an arithmetic number, because the mean of its divisors is an integer number (2098474950).

Almost surely, 2^26851109352 is an apocalyptic number.

It is an amenable number.

26851109352 is an abundant number, since it is smaller than the sum of its proper divisors (40300089048).

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

26851109352 is a wasteful number, since it uses less digits than its factorization.

26851109352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390425 (or 390421 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 26851109352 in words is "twenty-six billion, eight hundred fifty-one million, one hundred nine thousand, three hundred fifty-two".