26440860866662 has 32 divisors (see below), whose sum is σ = 43655287937184. Its totient is φ = 11910704332800.

The previous prime is 26440860866653. The next prime is 26440860866701. The reversal of 26440860866662 is 26666806804462.

It is a junction number, because it is equal to n+sod(n) for n = 26440860866594 and 26440860866603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19061362 + ... + 20401402.

It is an arithmetic number, because the mean of its divisors is an integer number (1364227748037).

Almost surely, 2^{26440860866662} is an apocalyptic number.

26440860866662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26440860866662 is a deficient number, since it is larger than the sum of its proper divisors (17214427070522).

26440860866662 is a wasteful number, since it uses less digits than its factorization.

26440860866662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348104.

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 26440860866662 in words is "twenty-six trillion, four hundred forty billion, eight hundred sixty million, eight hundred sixty-six thousand, six hundred sixty-two".