26231040000 has 1200 divisors, whose sum is σ = 111450699360. Its totient is φ = 6082560000.

The previous prime is 26231039993. The next prime is 26231040019. The reversal of 26231040000 is 4013262.

It is a happy number.

26231040000 is a `hidden beast` number, since 2 + 623 + 1 + 0 + 40 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 1140479989 + ... + 1140480011.

Almost surely, 2^26231040000 is an apocalyptic number.

26231040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26231040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55725349680).

26231040000 is an abundant number, since it is smaller than the sum of its proper divisors (85219659360).

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

26231040000 is an equidigital number, since it uses as much as digits as its factorization.

26231040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 26231040000 its reverse (4013262), we get a palindrome (26235053262).

The spelling of 26231040000 in words is "twenty-six billion, two hundred thirty-one million, forty thousand".