26378242 has 12 divisors (see below), whose sum is σ = 43491798. Its totient is φ = 11990000.

The previous prime is 26378201. The next prime is 26378249. The reversal of 26378242 is 24287362.

It can be written as a sum of positive squares in only one way, i.e., 23319241 + 3059001 = 4829^2 + 1749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26378198 and 26378207.

It is not an unprimeable number, because it can be changed into a prime (26378249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54259 + ... + 54742.

Almost surely, 2^26378242 is an apocalyptic number.

26378242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26378242 is a deficient number, since it is larger than the sum of its proper divisors (17113556).

26378242 is a wasteful number, since it uses less digits than its factorization.

26378242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109025 (or 109014 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 26378242 is about 5135.9752725261. The cubic root of 26378242 is about 297.6792865138.

The spelling of 26378242 in words is "twenty-six million, three hundred seventy-eight thousand, two hundred forty-two".