26220626444 has 12 divisors (see below), whose sum is σ = 45963480024. Its totient is φ = 13088203584.

The previous prime is 26220626431. The next prime is 26220626479. The reversal of 26220626444 is 44462602262.

It is a super-2 number, since 2×26220626444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26220626398 and 26220626407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524742 + ... + 5529485.

It is an arithmetic number, because the mean of its divisors is an integer number (3830290002).

Almost surely, 2^26220626444 is an apocalyptic number.

It is an amenable number.

26220626444 is a deficient number, since it is larger than the sum of its proper divisors (19742853580).

26220626444 is a wasteful number, since it uses less digits than its factorization.

26220626444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054824 (or 11054822 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 26220626444 in words is "twenty-six billion, two hundred twenty million, six hundred twenty-six thousand, four hundred forty-four".