26630242545172 has 48 divisors (see below), whose sum is σ = 53379790668288. Its totient is φ = 11387424222720.

The previous prime is 26630242545169. The next prime is 26630242545299. The reversal of 26630242545172 is 27154524203662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21775308 + ... + 22965724.

It is an arithmetic number, because the mean of its divisors is an integer number (1112078972256).

Almost surely, 2^{26630242545172} is an apocalyptic number.

It is an amenable number.

26630242545172 is an abundant number, since it is smaller than the sum of its proper divisors (26749548123116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26630242545172 is a wasteful number, since it uses less digits than its factorization.

26630242545172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192216 (or 1192214 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 26630242545172 in words is "twenty-six trillion, six hundred thirty billion, two hundred forty-two million, five hundred forty-five thousand, one hundred seventy-two".