26420660215304 has 32 divisors (see below), whose sum is σ = 51475415831040. Its totient is φ = 12699526896000.

The previous prime is 26420660215303. The next prime is 26420660215319. The reversal of 26420660215304 is 40351206602462.

It is not an unprimeable number, because it can be changed into a prime (26420660215303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352727189 + ... + 352802084.

It is an arithmetic number, because the mean of its divisors is an integer number (1608606744720).

Almost surely, 2^{26420660215304} is an apocalyptic number.

It is an amenable number.

26420660215304 is a deficient number, since it is larger than the sum of its proper divisors (25054755615736).

26420660215304 is a wasteful number, since it uses less digits than its factorization.

26420660215304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705529461 (or 705529457 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 26420660215304 its reverse (40351206602462), we get a palindrome (66771866817766).

The spelling of 26420660215304 in words is "twenty-six trillion, four hundred twenty billion, six hundred sixty million, two hundred fifteen thousand, three hundred four".