26244672487920 has 1680 divisors, whose sum is σ = 100429888575744. Its totient is φ = 6364624896000.

The previous prime is 26244672487877. The next prime is 26244672487931. The reversal of 26244672487920 is 2978427644262.

It is a happy number.

26244672487920 is a `hidden beast` number, since 2 + 6 + 2 + 4 + 4 + 67 + 2 + 487 + 92 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 62338889310 + ... + 62338889730.

Almost surely, 2^{26244672487920} is an apocalyptic number.

26244672487920 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 26244672487920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50214944287872).

26244672487920 is an abundant number, since it is smaller than the sum of its proper divisors (74185216087824).

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

26244672487920 is a wasteful number, since it uses less digits than its factorization.

26244672487920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 63.

The spelling of 26244672487920 in words is "twenty-six trillion, two hundred forty-four billion, six hundred seventy-two million, four hundred eighty-seven thousand, nine hundred twenty".