26039642 has 16 divisors (see below), whose sum is σ = 40061952. Its totient is φ = 12689040.

The previous prime is 26039641. The next prime is 26039669. The reversal of 26039642 is 24693062.

It is a junction number, because it is equal to n+sod(n) for n = 26039599 and 26039608.

It is not an unprimeable number, because it can be changed into a prime (26039641) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 16967 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872).

Almost surely, 2^26039642 is an apocalyptic number.

26039642 is a deficient number, since it is larger than the sum of its proper divisors (14022310).

26039642 is a wasteful number, since it uses less digits than its factorization.

26039642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 26039642 is about 5102.9052509330. The cubic root of 26039642 is about 296.4000935502.

The spelling of 26039642 in words is "twenty-six million, thirty-nine thousand, six hundred forty-two".