26072492544 has 560 divisors, whose sum is σ = 94675065408. Its totient is φ = 6999146496.

The previous prime is 26072492539. The next prime is 26072492549. The reversal of 26072492544 is 44529427062.

26072492544 is a `hidden beast` number, since 2 + 60 + 7 + 2 + 49 + 2 + 544 = 666.

It is an interprime number because it is at equal distance from previous prime (26072492539) and next prime (26072492549).

It is a self number, because there is not a number n which added to its sum of digits gives 26072492544.

It is not an unprimeable number, because it can be changed into a prime (26072492549) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 44416219 + ... + 44416805.

Almost surely, 2^26072492544 is an apocalyptic number.

26072492544 is a gapful number since it is divisible by the number (24) 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 26072492544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47337532704).

26072492544 is an abundant number, since it is smaller than the sum of its proper divisors (68602572864).

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

26072492544 is an frugal number, since it uses more digits than its factorization.

26072492544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 26072492544 in words is "twenty-six billion, seventy-two million, four hundred ninety-two thousand, five hundred forty-four".