26250265026500 has 48 divisors (see below), whose sum is σ = 58728885664176. Its totient is φ = 10244005856000.

The previous prime is 26250265026487. The next prime is 26250265026529. The reversal of 26250265026500 is 562056205262.

It can be written as a sum of positive squares in 8 ways, for example, as 7260750598084 + 18989514428416 = 2694578^2 + 4357696^2 .

It is a super-2 number, since 2×26250265026500² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640229867 + ... + 640270866.

It is an arithmetic number, because the mean of its divisors is an integer number (1223518451337).

Almost surely, 2^{26250265026500} is an apocalyptic number.

26250265026500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26250265026500 is an abundant number, since it is smaller than the sum of its proper divisors (32478620637676).

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

26250265026500 is a wasteful number, since it uses less digits than its factorization.

26250265026500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280500793 (or 1280500781 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 26250265026500 in words is "twenty-six trillion, two hundred fifty billion, two hundred sixty-five million, twenty-six thousand, five hundred".