26393450630 has 32 divisors (see below), whose sum is σ = 47876138208. Its totient is φ = 10475827200.

The previous prime is 26393450627. The next prime is 26393450683. The reversal of 26393450630 is 3605439362.

It is a super-2 number, since 2×26393450630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1032200 + ... + 1057460.

It is an arithmetic number, because the mean of its divisors is an integer number (1496129319).

Almost surely, 2^26393450630 is an apocalyptic number.

26393450630 is a deficient number, since it is larger than the sum of its proper divisors (21482687578).

26393450630 is a wasteful number, since it uses less digits than its factorization.

26393450630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072.

The product of its (nonzero) digits is 349920, while the sum is 41.

Adding to 26393450630 its reverse (3605439362), we get a palindrome (29998889992).

The spelling of 26393450630 in words is "twenty-six billion, three hundred ninety-three million, four hundred fifty thousand, six hundred thirty".