26644455444652 has 12 divisors (see below), whose sum is σ = 46631744270496. Its totient is φ = 13321099938800.

The previous prime is 26644455444647. The next prime is 26644455444667. The reversal of 26644455444652 is 25644455444662.

It is a super-2 number, since 2×26644455444652² (a number of 28 digits) contains 22 as substring.

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, 281892724 + ... + 281987227.

It is an arithmetic number, because the mean of its divisors is an integer number (3885978689208).

Almost surely, 2^{26644455444652} is an apocalyptic number.

It is an amenable number.

26644455444652 is a deficient number, since it is larger than the sum of its proper divisors (19987288825844).

26644455444652 is a wasteful number, since it uses less digits than its factorization.

26644455444652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563891768 (or 563891766 counting only the distinct ones).

The product of its digits is 442368000, while the sum is 61.

The spelling of 26644455444652 in words is "twenty-six trillion, six hundred forty-four billion, four hundred fifty-five million, four hundred forty-four thousand, six hundred fifty-two".