26499994 has 4 divisors (see below), whose sum is σ = 39749994. Its totient is φ = 13249996.

The previous prime is 26499989. The next prime is 26500007. The reversal of 26499994 is 49999462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49999462 = 2 ⋅24999731.

It can be written as a sum of positive squares in only one way, i.e., 26368225 + 131769 = 5135^2 + 363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624997 + ... + 6625000.

Almost surely, 2^26499994 is an apocalyptic number.

26499994 is a deficient number, since it is larger than the sum of its proper divisors (13250000).

26499994 is a wasteful number, since it uses less digits than its factorization.

26499994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13249999.

The product of its digits is 1259712, while the sum is 52.

The square root of 26499994 is about 5147.8144877219. The cubic root of 26499994 is about 298.1365753863.

The spelling of 26499994 in words is "twenty-six million, four hundred ninety-nine thousand, nine hundred ninety-four".