26506630 has 8 divisors (see below), whose sum is σ = 47711952. Its totient is φ = 10602648.

The previous prime is 26506583. The next prime is 26506639. The reversal of 26506630 is 3660562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26506639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325322 + ... + 1325341.

It is an arithmetic number, because the mean of its divisors is an integer number (5963994).

Almost surely, 2^26506630 is an apocalyptic number.

26506630 is a deficient number, since it is larger than the sum of its proper divisors (21205322).

26506630 is a wasteful number, since it uses less digits than its factorization.

26506630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650670.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 26506630 is about 5148.4589927472. The cubic root of 26506630 is about 298.1614592812.

The spelling of 26506630 in words is "twenty-six million, five hundred six thousand, six hundred thirty".