26974409392 has 80 divisors (see below), whose sum is σ = 62103792960. Its totient is φ = 11104902144.

The previous prime is 26974409381. The next prime is 26974409401. The reversal of 26974409392 is 29390447962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618778 + ... + 660934.

It is an arithmetic number, because the mean of its divisors is an integer number (776297412).

Almost surely, 2^26974409392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26974409392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31051896480).

26974409392 is an abundant number, since it is smaller than the sum of its proper divisors (35129383568).

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

26974409392 is a wasteful number, since it uses less digits than its factorization.

26974409392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42398 (or 42392 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 26974409392 in words is "twenty-six billion, nine hundred seventy-four million, four hundred nine thousand, three hundred ninety-two".