26661044 has 6 divisors (see below), whose sum is σ = 46656834. Its totient is φ = 13330520.

The previous prime is 26661043. The next prime is 26661059. The reversal of 26661044 is 44016662.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 4571044 = 4700^2 + 2138^2 .

It is a super-2 number, since 2×26661044² = 1421622534339872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26660998 and 26661016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26661043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332627 + ... + 3332634.

It is an arithmetic number, because the mean of its divisors is an integer number (7776139).

Almost surely, 2^26661044 is an apocalyptic number.

It is an amenable number.

26661044 is a deficient number, since it is larger than the sum of its proper divisors (19995790).

26661044 is a wasteful number, since it uses less digits than its factorization.

26661044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665265 (or 6665263 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 26661044 is about 5163.4333538838. The cubic root of 26661044 is about 298.7393170903.

The spelling of 26661044 in words is "twenty-six million, six hundred sixty-one thousand, forty-four".