26500961572020 has 192 divisors, whose sum is σ = 88792743325440. Its totient is φ = 6523078749696.

The previous prime is 26500961572009. The next prime is 26500961572069. The reversal of 26500961572020 is 2027516900562.

26500961572020 is a `hidden beast` number, since 2 + 6 + 5 + 0 + 0 + 9 + 615 + 7 + 2 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273148839 + ... + 273245841.

It is an arithmetic number, because the mean of its divisors is an integer number (462462204820).

Almost surely, 2^{26500961572020} is an apocalyptic number.

26500961572020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26500961572020 is an abundant number, since it is smaller than the sum of its proper divisors (62291781753420).

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

26500961572020 is a wasteful number, since it uses less digits than its factorization.

26500961572020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135951 (or 135943 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 26500961572020 in words is "twenty-six trillion, five hundred billion, nine hundred sixty-one million, five hundred seventy-two thousand, twenty".