26289542 has 4 divisors (see below), whose sum is σ = 39434316. Its totient is φ = 13144770.

The previous prime is 26289509. The next prime is 26289577. The reversal of 26289542 is 24598262.

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

It is a super-2 number, since 2×26289542² = 1382280037139528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26289496 and 26289505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572384 + ... + 6572387.

It is an arithmetic number, because the mean of its divisors is an integer number (9858579).

Almost surely, 2^26289542 is an apocalyptic number.

26289542 is a deficient number, since it is larger than the sum of its proper divisors (13144774).

26289542 is a wasteful number, since it uses less digits than its factorization.

26289542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144773.

The product of its digits is 69120, while the sum is 38.

The square root of 26289542 is about 5127.3328349152. The cubic root of 26289542 is about 297.3452510634.

The spelling of 26289542 in words is "twenty-six million, two hundred eighty-nine thousand, five hundred forty-two".