26624000000 has 252 divisors, whose sum is σ = 71678809062. Its totient is φ = 9830400000.

The previous prime is 26623999993. The next prime is 26624000003. The reversal of 26624000000 is 42662.

It can be written as a sum of positive squares in 7 ways, for example, as 19181142016 + 7442857984 = 138496^2 + 86272^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (26624000003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2047999994 + ... + 2048000006.

Almost surely, 2^26624000000 is an apocalyptic number.

26624000000 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 26624000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35839404531).

26624000000 is an abundant number, since it is smaller than the sum of its proper divisors (45054809062).

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

26624000000 is an frugal number, since it uses more digits than its factorization.

26624000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 26624000000 its reverse (42662), we get a palindrome (26624042662).

It can be divided in two parts, 2662 and 4000000, that multiplied together give a cube (10648000000 = 2200³).

The spelling of 26624000000 in words is "twenty-six billion, six hundred twenty-four million", and thus it is an aban number.