26720265759354 has 12 divisors (see below), whose sum is σ = 57893909145306. Its totient is φ = 8906755253112.

The previous prime is 26720265759349. The next prime is 26720265759367. The reversal of 26720265759354 is 45395756202762.

26720265759354 is a `hidden beast` number, since 2 + 6 + 7 + 2 + 0 + 2 + 6 + 575 + 9 + 3 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24052874523129 + 2667391236225 = 4904373^2 + 1633215^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26720265759291 and 26720265759300.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742229604409 + ... + 742229604444.

Almost surely, 2^{26720265759354} is an apocalyptic number.

26720265759354 is an abundant number, since it is smaller than the sum of its proper divisors (31173643385952).

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

26720265759354 is a wasteful number, since it uses less digits than its factorization.

26720265759354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484459208861 (or 1484459208858 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 63.

The spelling of 26720265759354 in words is "twenty-six trillion, seven hundred twenty billion, two hundred sixty-five million, seven hundred fifty-nine thousand, three hundred fifty-four".