26406120610 has 16 divisors (see below), whose sum is σ = 47592520056. Its totient is φ = 10548780928.

The previous prime is 26406120581. The next prime is 26406120613. The reversal of 26406120610 is 1602160462.

It can be written as a sum of positive squares in 4 ways, for example, as 10922549121 + 15483571489 = 104511^2 + 124433^2 .

It is not an unprimeable number, because it can be changed into a prime (26406120613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700299 + ... + 1715758.

Almost surely, 2^26406120610 is an apocalyptic number.

26406120610 is a deficient number, since it is larger than the sum of its proper divisors (21186399446).

26406120610 is a wasteful number, since it uses less digits than its factorization.

26406120610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416837.

The product of its (nonzero) digits is 3456, while the sum is 28.

It can be divided in two parts, 2640 and 6120610, that added together give a triangular number (6123250 = T₃₄₉₉).

The spelling of 26406120610 in words is "twenty-six billion, four hundred six million, one hundred twenty thousand, six hundred ten".