26620739021052 has 576 divisors, whose sum is σ = 77920999833600. Its totient is φ = 7851494851200.

The previous prime is 26620739021029. The next prime is 26620739021059. The reversal of 26620739021052 is 25012093702662.

26620739021052 is a `hidden beast` number, since 2 + 6 + 6 + 207 + 390 + 2 + 1 + 0 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26620739020989 and 26620739021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26620739021059) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30990382599 + ... + 30990383457.

It is an arithmetic number, because the mean of its divisors is an integer number (135279513600).

Almost surely, 2^{26620739021052} is an apocalyptic number.

26620739021052 is a gapful number since it is divisible by the number (22) 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 26620739021052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38960499916800).

26620739021052 is an abundant number, since it is smaller than the sum of its proper divisors (51300260812548).

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

26620739021052 is a wasteful number, since it uses less digits than its factorization.

26620739021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 26620739021052 in words is "twenty-six trillion, six hundred twenty billion, seven hundred thirty-nine million, twenty-one thousand, fifty-two".