26153402004 has 36 divisors (see below), whose sum is σ = 69998812884. Its totient is φ = 8204988672.

The previous prime is 26153401991. The next prime is 26153402053. The reversal of 26153402004 is 40020435162.

26153402004 is a `hidden beast` number, since 2 + 615 + 3 + 40 + 2 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23280656400 + 2872745604 = 152580^2 + 53598^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21366547 + ... + 21367770.

It is an arithmetic number, because the mean of its divisors is an integer number (1944411469).

Almost surely, 2^26153402004 is an apocalyptic number.

It is an amenable number.

26153402004 is an abundant number, since it is smaller than the sum of its proper divisors (43845410880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26153402004 is a wasteful number, since it uses less digits than its factorization.

26153402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42734344 (or 42734339 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 26153402004 its reverse (40020435162), we get a palindrome (66173837166).

The spelling of 26153402004 in words is "twenty-six billion, one hundred fifty-three million, four hundred two thousand, four".