26351434128 has 40 divisors (see below), whose sum is σ = 68146540128. Its totient is φ = 8774520832.

The previous prime is 26351434099. The next prime is 26351434139. The reversal of 26351434128 is 82143415362.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244401 + ... + 335312.

Almost surely, 2^26351434128 is an apocalyptic number.

It is an amenable number.

26351434128 is an abundant number, since it is smaller than the sum of its proper divisors (41795106000).

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

26351434128 is a wasteful number, since it uses less digits than its factorization.

26351434128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580671 (or 580665 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The spelling of 26351434128 in words is "twenty-six billion, three hundred fifty-one million, four hundred thirty-four thousand, one hundred twenty-eight".