26626442 has 4 divisors (see below), whose sum is σ = 39939666. Its totient is φ = 13313220.

The previous prime is 26626441. The next prime is 26626447. The reversal of 26626442 is 24462662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20421361 + 6205081 = 4519^2 + 2491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26626399 and 26626408.

It is not an unprimeable number, because it can be changed into a prime (26626441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656609 + ... + 6656612.

Almost surely, 2^26626442 is an apocalyptic number.

26626442 is a deficient number, since it is larger than the sum of its proper divisors (13313224).

26626442 is a wasteful number, since it uses less digits than its factorization.

26626442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313223.

The product of its digits is 27648, while the sum is 32.

The square root of 26626442 is about 5160.0815885023. The cubic root of 26626442 is about 298.6100216656.

The spelling of 26626442 in words is "twenty-six million, six hundred twenty-six thousand, four hundred forty-two".