26466261500 has 48 divisors (see below), whose sum is σ = 66059797440. Its totient is φ = 9074145600.

The previous prime is 26466261473. The next prime is 26466261517. The reversal of 26466261500 is 516266462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777395 + ... + 3784394.

It is an arithmetic number, because the mean of its divisors is an integer number (1376245780).

Almost surely, 2^26466261500 is an apocalyptic number.

26466261500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26466261500 is an abundant number, since it is smaller than the sum of its proper divisors (39593535940).

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

26466261500 is a wasteful number, since it uses less digits than its factorization.

26466261500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561815 (or 7561803 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 26466261500 in words is "twenty-six billion, four hundred sixty-six million, two hundred sixty-one thousand, five hundred".