26949270912 has 64 divisors (see below), whose sum is σ = 71618688000. Its totient is φ = 8978737664.

The previous prime is 26949270839. The next prime is 26949270919. The reversal of 26949270912 is 21907294962.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26949270919) 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, 831589 + ... + 863387.

It is an arithmetic number, because the mean of its divisors is an integer number (1119042000).

Almost surely, 2^26949270912 is an apocalyptic number.

It is an amenable number.

26949270912 is an abundant number, since it is smaller than the sum of its proper divisors (44669417088).

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

26949270912 is a wasteful number, since it uses less digits than its factorization.

26949270912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34023 (or 34011 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 26949270912 in words is "twenty-six billion, nine hundred forty-nine million, two hundred seventy thousand, nine hundred twelve".