26833388699940 has 96 divisors (see below), whose sum is σ = 77188508457984. Its totient is φ = 6959976353280.

The previous prime is 26833388699933. The next prime is 26833388699951. The reversal of 26833388699940 is 4999688333862.

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 31 ways as a sum of consecutive naturals, for example, 5122450 + ... + 8939030.

It is an arithmetic number, because the mean of its divisors is an integer number (804046963104).

Almost surely, 2^{26833388699940} is an apocalyptic number.

26833388699940 is a gapful number since it is divisible by the number (20) 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 26833388699940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38594254228992).

26833388699940 is an abundant number, since it is smaller than the sum of its proper divisors (50355119758044).

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

26833388699940 is a wasteful number, since it uses less digits than its factorization.

26833388699940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819797 (or 3819795 counting only the distinct ones).

The product of its (nonzero) digits is 2902376448, while the sum is 78.

The spelling of 26833388699940 in words is "twenty-six trillion, eight hundred thirty-three billion, three hundred eighty-eight million, six hundred ninety-nine thousand, nine hundred forty".