26610204492 has 72 divisors (see below), whose sum is σ = 69610452912. Its totient is φ = 8564400000.

The previous prime is 26610204487. The next prime is 26610204493. The reversal of 26610204492 is 29440201662.

26610204492 is a `hidden beast` number, since 2 + 66 + 102 + 0 + 4 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26610204493) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 98242 + ... + 250742.

It is an arithmetic number, because the mean of its divisors is an integer number (966811846).

Almost surely, 2^26610204492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26610204492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34805226456).

26610204492 is an abundant number, since it is smaller than the sum of its proper divisors (43000248420).

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

26610204492 is a wasteful number, since it uses less digits than its factorization.

26610204492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152679 (or 152674 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 26610204492 in words is "twenty-six billion, six hundred ten million, two hundred four thousand, four hundred ninety-two".