26630542 has 4 divisors (see below), whose sum is σ = 39945816. Its totient is φ = 13315270.

The previous prime is 26630531. The next prime is 26630543. The reversal of 26630542 is 24503662.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26630542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26630543) 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 as a sum of consecutive naturals, namely, 6657634 + ... + 6657637.

It is an arithmetic number, because the mean of its divisors is an integer number (9986454).

Almost surely, 2^26630542 is an apocalyptic number.

26630542 is a deficient number, since it is larger than the sum of its proper divisors (13315274).

26630542 is a wasteful number, since it uses less digits than its factorization.

26630542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13315273.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 26630542 is about 5160.4788537499. The cubic root of 26630542 is about 298.6253477620.

It can be divided in two parts, 26630 and 542, that added together give a palindrome (27172).

The spelling of 26630542 in words is "twenty-six million, six hundred thirty thousand, five hundred forty-two".